数学中国

 找回密码
 注册
搜索
热搜: 活动 交友 discuz
楼主: ysr

数论问题巅峰对决

[复制链接]
 楼主| 发表于 2020-9-21 21:58 | 显示全部楼层
1与5000之间有305对p,p+300素数对(仅显示孪中p+150):
/157
/161
/163
/167
/181
/187
/197
/203
/209
/217
/223
/229
/233
/239
/247
/251
/259
/281
/289
/299
/307
/313
/317
/329
/341
/349
/373
/391
/407
/413
/419
/421
/427
/443
/457
/463
/467
/481
/497
/503
/509
/523
/533
/551
/559
/569
/583
/589
/593
/607
/611
/637
/659
/671
/673
/707
/713
/727
/737
/757
/769
/791
/797
/803
/827
/833
/841
/859
/869
/883
/889
/901
/911
/919
/937
/947
/959
/973
/979
/1003
/1013
/1031
/1037
/1079
/1087
/1127
/1133
/1141
/1147
/1169
/1171
/1211
/1259
/1273
/1279
/1301
/1303
/1321
/1331
/1337
/1343
/1373
/1381
/1399
/1409
/1429
/1433
/1447
/1451
/1457
/1469
/1471
/1477
/1517
/1549
/1559
/1573
/1583
/1597
/1603
/1609
/1633
/1637
/1639
/1661
/1673
/1681
/1717
/1721
/1729
/1751
/1757
/1763
/1843
/1847
/1849
/1903
/1933
/1937
/1939
/1961
/1981
/2011
/2029
/2057
/2063
/2101
/2123
/2137
/2143
/2147
/2161
/2189
/2231
/2233
/2239
/2249
/2261
/2287
/2291
/2353
/2371
/2389
/2393
/2401
/2443
/2459
/2483
/2497
/2507
/2521
/2527
/2533
/2539
/2543
/2549
/2561
/2591
/2617
/2627
/2653
/2693
/2701
/2707
/2729
/2759
/2767
/2807
/2813
/2821
/2849
/2861
/2869
/2891
/2899
/2917
/2939
/2969
/2987
/3037
/3053
/3059
/3067
/3103
/3107
/3121
/3149
/3151
/3169
/3173
/3211
/3239
/3313
/3317
/3319
/3341
/3367
/3379
/3407
/3409
/3421
/3457
/3463
/3473
/3481
/3493
/3509
/3521
/3523
/3541
/3583
/3611
/3617
/3619
/3683
/3697
/3731
/3757
/3767
/3773
/3781
/3793
/3851
/3869
/3877
/3929
/3943
/3983
/4003
/4027
/4061
/4067
/4069
/4079
/4081
/4093
/4139
/4177
/4199
/4207
/4223
/4241
/4307
/4367
/4369
/4411
/4433
/4447
/4487
/4489
/4499
/4507
/4513
/4523
/4541
/4571
/4573
/4601
/4633
/4643
/4663
/4667
/4711
/4753
/4787
/4793
/4801
/4807
/4823
/4853
/4871
/4873
/4901
/4909
/4937
/4949
/4951
/4963
/5021
/5039
/5059
/5081
/5083
/5087
/5123
回复 支持 反对

使用道具 举报

 楼主| 发表于 2020-9-21 22:01 | 显示全部楼层
314/318/320/322/324/326/328/330/334/338/342/344/348/350/354/358/360/362/364/366/
368/370/372/374/376/378/380/384/386/390/392/394/396/398/400/402/404/406/408/410/
412/414/416/418/420/422/426/428/430/432/434/436/438/440/442/444/446/448/450/452/
454/456/458/460/462/464/466/468/470/472/474/476/478/480/482/484/486/488/490/492/
494/496/498/500/502/504/506/508/510/512/514/516/518/520/522/524/526/528/530/532/
534/536/538/540/542/544/546/548/550/552/554/556/558/560/562/564/566/568/570/572/
574/576/578/580/582/584/586/588/590/592/594/596/598/600/602/604/606/608/610/612/
614/616/618/620/622/624/626/628/630/632/634/636/638/640/642/644/646/648/650/652/
654/656/658/660/662/664/666/668/670/672/674/676/678/680/682/684/686/688/690/692/
694/696/698/700/702/704/706/708/710/712/714/716/718/720/722/724/726/728/730/732/
734/736/738/740/742/744/746/748/750/752/754/756/760/762/764/766/768/770/772/774/
776/778/780/782/784/786/788/790/792/794/796/798/800/802/804/806/808/810/812/814/
816/818/820/822/824/826/828/830/832/834/836/838/840/842/844/846/848/850/852/854/
856/858/860/862/864/866/868/870/872/874/876/878/880/882/884/886/888/890/892/894/
896/898/900/902/904/906/908/910/912/914/916/918/920/922/924/926/928/930/932/934/
936/938/940/942/944/946/948/950/952/954/956/958/960/962/964/966/970/972/974/976/
978/980/982/984/986/988/990/992/994/996/998/1000/1002/1004/1006/1008/1010/1012/1014/1016/
1018/1020/1022/1024/1026/1028/1030/1032/1034/1036/1038/1040/1042/1044/1046/1048/1050/1052/1054/1056/
1058/1060/1062/1064/1066/1068/1070/1072/1074/1076/1078/1080/1082/1084/1086/1088/1090/1092/1094/1096/
1098/1100/1102/1104/1106/1108/1110/1112/1114/1116/1118/1120/1122/1124/1126/1128/1130/1132/1134/1136/
1138/1140/1142/1144/1146/1148/1150/1152/1154/1156/1158/1160/1162/1164/1166/1168/1170/1172/1174/1176/
1178/1180/1182/1184/1186/1188/1190/1192/1194/1196/1198/1200/1202/1204/1206/1208/1210/1212/1214/1216/
1218/1220/1222/1224/1226/1228/1230/1232/1234/1236/1238/1240/1242/1244/1246/1248/1250/1252/1254/1256/
1258/1260/1262/1264/1266/1268/1270/1272/1274/1276/1278/1280/1282/1284/1286/1288/1290/1292/1294/1296/
1298/1300/1302/1304/1306/1308/1310/1312/1314/1316/1318/1320/1322/1324/1326/1328/1330/1332/1334/1336/
1338/1340/1342/1344/1346/1348/1350/1352/1354/1356/1358/1360/1362/1364/1366/1368/1370/1372/1374/1376/
1378/1380/1382/1384/1386/1388/1390/1392/1394/1396/1398/1400/1402/1404/1406/1408/1410/1412/1414/1416/
1418/1420/1422/1424/1426/1428/1430/1432/1434/1436/1438/1440/1442/1444/1446/1448/1450/1452/1454/1456/
1458/1460/1462/1464/1466/1468/1470/1472/1474/1476/1478/1480/1482/1484/1486/1488/1490/1492/1494/1496/
回复 支持 反对

使用道具 举报

发表于 2020-9-21 22:01 | 显示全部楼层
非常感谢 ysr 兄!!!
回复 支持 反对

使用道具 举报

 楼主| 发表于 2020-9-21 22:02 | 显示全部楼层
1498/1500/1502/1504/1506/1508/1510/1512/1514/1516/1518/1520/1522/1524/1526/1528/1530/1532/1534/1536/
1538/1540/1542/1544/1546/1548/1550/1552/1554/1556/1558/1560/1562/1564/1566/1568/1570/1572/1574/1576/
1578/1580/1582/1584/1586/1588/1590/1592/1594/1596/1598/1600/1602/1604/1606/1608/1610/1612/1614/1616/
1618/1620/1622/1624/1626/1628/1630/1632/1634/1636/1638/1640/1642/1644/1646/1648/1650/1652/1654/1656/
1658/1660/1662/1664/1666/1668/1670/1672/1674/1676/1678/1680/1682/1684/1686/1688/1690/1692/1694/1696/
1698/1700/1702/1704/1706/1708/1710/1712/1714/1716/1718/1720/1722/1724/1726/1728/1730/1732/1734/1736/
1738/1740/1742/1744/1746/1748/1750/1752/1754/1756/1758/1760/1762/1764/1766/1768/1770/1772/1774/1776/
1778/1780/1782/1784/1786/1788/1790/1792/1794/1796/1798/1800/1802/1804/1806/1808/1810/1812/1814/1816/
1818/1820/1822/1824/1826/1828/1830/1832/1834/1836/1838/1840/1842/1844/1846/1848/1850/1852/1854/1856/
1858/1860/1862/1864/1866/1868/1870/1872/1874/1876/1878/1880/1882/1884/1886/1888/1890/1892/1894/1896/
1898/1900/1902/1904/1906/1908/1910/1912/1914/1916/1918/1920/1922/1924/1926/1928/1930/1932/1934/1936/
1938/1940/1942/1944/1946/1948/1950/1952/1954/1956/1958/1960/1962/1964/1966/1968/1970/1972/1974/1976/
1978/1980/1982/1984/1986/1988/1990/1992/1994/1996/1998/2000/2002/2004/2006/2008/2010/2012/2014/2016/
2018/2020/2022/2024/2026/2028/2030/2032/2034/2036/2038/2040/2042/2044/2046/2048/2050/2052/2054/2056/
2058/2060/2062/2064/2066/2068/2070/2072/2074/2076/2078/2080/2082/2084/2086/2088/2090/2092/2094/2096/
2098/2100/2102/2104/2106/2108/2110/2112/2114/2116/2118/2120/2122/2124/2126/2128/2130/2132/2134/2136/
2138/2140/2142/2144/2146/2148/2150/2152/2154/2156/2158/2160/2162/2164/2166/2168/2170/2172/2174/2176/
2178/2180/2182/2184/2186/2188/2190/2192/2194/2196/2198/2200/2202/2204/2206/2208/2210/2212/2214/2216/
2218/2220/2222/2224/2226/2228/2230/2232/2234/2236/2238/2240/2242/2244/2246/2248/2250/2252/2254/2256/
2258/2260/2262/2264/2266/2268/2270/2272/2274/2276/2278/2280/2282/2284/2286/2288/2290/2292/2294/2296/
2298/2300/2302/2304/2306/2308/2310/2312/2314/2316/2318/2320/2322/2324/2326/2328/2330/2332/2334/2336/
2338/2340/2342/2344/2346/2348/2350/2352/2354/2356/2358/2360/2362/2364/2366/2368/2370/2372/2374/2376/
2378/2380/2382/2384/2386/2388/2390/2392/2394/2396/2398/2400/2402/2404/2406/2408/2410/2412/2414/2416/
2418/2420/2422/2424/2426/2428/2430/2432/2434/2436/2438/2440/2442/2444/2446/2448/2450/2452/2454/2456/
2458/2460/2462/2464/2466/2468/2470/2472/2474/2476/2478/2480/2482/2484/2486/2488/2490/2492/2494/2496/
2498/2500/2502/2504/2506/2508/2510/2512/2514/2516/2518/2520/2522/2524/2526/2528/2530/2532/2534/2536/
2538/2540/2542/2544/2546/2548/2550/2552/2554/2556/2558/2560/2562/2564/2566/2568/2570/2572/2574/2576/
2578/2580/2582/2584/2586/2588/2590/2592/2594/2596/2598/2600/2602/2604/2606/2608/2610/2612/2614/2616/
2618/2620/2622/2624/2626/2628/2630/2632/2634/2636/2638/2640/2642/2644/2646/2648/2650/2652/2654/2656/
2658/2660/2662/2664/2666/2668/2670/2672/2674/2676/2678/2680/2682/2684/2686/2688/2690/2692/2694/2696/
2698/2700/2702/2704/2706/2708/2710/2712/2714/2716/2718/2720/2722/2724/2726/2728/2730/2732/2734/2736/
2738/2740/2742/2744/2746/2748/2750/2752/2754/2756/2758/2760/2762/2764/2766/2768/2770/2772/2774/2776/
2778/2780/2782/2784/2786/2788/2790/2792/2794/2796/2798/2800/2802/2804/2806/2808/2810/2812/2814/2816/
2818/2820/2822/2824/2826/2828/2830/2832/2834/2836/2838/2840/2842/2844/2846/2848/2850/2852/2854/2856/
2858/2860/2862/2864/2866/2868/2870/2872/2874/2876/2878/2880/2882/2884/2886/2888/2890/2892/2894/2896/
2898/2900/2902/2904/2906/2908/2910/2912/2914/2916/2918/2920/2922/2924/2926/2928/2930/2932/2934/2936/
2938/2940/2942/2944/2946/2948/2950/2952/2954/2956/2958/2960/2962/2964/2966/2968/2970/2972/2974/2976/
2978/2980/2982/2984/2986/2988/2990/2992/2994/2996/2998/3000/3002/3004/3006/3008/3010/3012/3014/3016/
3018/3020/3022/3024/3026/3028/3030/3032/3034/3036/3038/3040/3042/3044/3046/3048/3050/3052/3054/3056/
3058/3060/3062/3064/3066/3068/3070/3072/3074/3076/3078/3080/3082/3084/3086/3088/3090/3092/3094/3096/
3098/3100/3102/3104/3106/3108/3110/3112/3114/3116/3118/3120/3122/3124/3126/3128/3130/3132/3134/3136/
3138/3140/3142/3144/3146/3148/3150/3152/3154/3156/3158/3160/3162/3164/3166/3168/3170/3172/3174/3176/
3178/3180/3182/3184/3186/3188/3190/3192/3194/3196/3198/3200/3202/3204/3206/3208/3210/3212/3214/3216/
3218/3220/3222/3224/3226/3228/3230/3232/3234/3236/3238/3240/3242/3244/3246/3248/3250/3252/3254/3256/
3258/3260/3262/3264/3266/3268/3270/3272/3274/3276/3278/3280/3282/3284/3286/3288/3290/3292/3294/3296/
3298/3300/3302/3304/3306/3308/3310/3312/3314/3316/3318/3320/3322/3324/3326/3328/3330/3332/3334/3336/
3338/3340/3342/3344/3346/3348/3350/3352/3354/3356/3358/3360/3362/3364/3366/3368/3370/3372/3374/3376/
3378/3380/3382/3384/3386/3388/3390/3392/3394/3396/3398/3400/3402/3404/3406/3408/3410/3412/3414/3416/
3418/3420/3422/3424/3426/3428/3430/3432/3434/3436/3438/3440/3442/3444/3446/3448/3450/3452/3454/3456/
3458/3460/3462/3464/3466/3468/3470/3472/3474/3476/3478/3480/3482/3484/3486/3488/3490/3492/3494/3496/
3498/3500/3502/3504/3506/3508/3510/3512/3514/3516/3518/3520/3522/3524/3526/3528/3530/3532/3534/3536/
3538/3540/3542/3544/3546/3548/3550/3552/3554/3556/3558/3560/3562/3564/3566/3568/3570/3572/3574/3576/
3578/3580/3582/3584/3586/3588/3590/3592/3594/3596/3598/3600/3602/3604/3606/3608/3610/3612/3614/3616/
3618/3620/3622/3624/3626/3628/3630/3632/3634/3636/3638/3640/3642/3644/3646/3648/3650/3652/3654/3656/
3658/3660/3662/3664/3666/3668/3670/3672/3674/3676/3678/3680/3682/3684/3686/3688/3690/3692/3694/3696/
3698/3700/3702/3704/3706/3708/3710/3712/3714/3716/3718/3720/3722/3724/3726/3728/3730/3732/3734/3736/
3738/3740/3742/3744/3746/3748/3750/3752/3754/3756/3758/3760/3762/3764/3766/3768/3770/3772/3774/3776/
3778/3780/3782/3784/3786/3788/3790/3792/3794/3796/3798/3800/3802/3804/3806/3808/3810/3812/3814/3816/
3818/3820/3822/3824/3826/3828/3830/3832/3834/3836/3838/3840/3842/3844/3846/3848/3850/3852/3854/3856/
3858/3860/3862/3864/3866/3868/3870/3872/3874/3876/3878/3880/3882/3884/3886/3888/3890/3892/3894/3896/
3898/3900/3902/3904/3906/3908/3910/3912/3914/3916/3918/3920/3922/3924/3926/3928/3930/3932/3934/3936/
3938/3940/3942/3944/3946/3948/3950/3952/3954/3956/3958/3960/3962/3964/3966/3968/3970/3972/3974/3976/
3978/3980/3982/3984/3986/3988/3990/3992/3994/3996/3998/4000/4002/4004/4006/4008/4010/4012/4014/4016/
4018/4020/4022/4024/4026/4028/4030/4032/4034/4036/4038/4040/4042/4044/4046/4048/4050/4052/4054/4056/
4058/4060/4062/4064/4066/4068/4070/4072/4074/4076/4078/4080/4082/4084/4086/4088/4090/4092/4094/4096/
4098/4100/4102/4104/4106/4108/4110/4112/4114/4116/4118/4120/4122/4124/4126/4128/4130/4132/4134/4136/
4138/4140/4142/4144/4146/4148/4150/4152/4154/4156/4158/4160/4162/4164/4166/4168/4170/4172/4174/4176/
4178/4180/4182/4184/4186/4188/4190/4192/4194/4196/4198/4200/4202/4204/4206/4208/4210/4212/4214/4216/
4218/4220/4222/4224/4226/4228/4230/4232/4234/4236/4238/4240/4242/4244/4246/4248/4250/4252/4254/4256/
4258/4260/4262/4264/4266/4268/4270/4272/4274/4276/4278/4280/4282/4284/4286/4288/4290/4292/4294/4296/
4298/4300/4302/4304/4306/4308/4310/4312/4314/4316/4318/4320/4322/4324/4326/4328/4330/4332/4334/4336/
4338/4340/4342/4344/4346/4348/4350/4352/4354/4356/4358/4360/4362/4364/4366/4368/4370/4372/4374/4376/
4378/4380/4382/4384/4386/4388/4390/4392/4394/4396/4398/4400/4402/4404/4406/4408/4410/4412/4414/4416/
4418/4420/4422/4424/4426/4428/4430/4432/4434/4436/4438/4440/4442/4444/4446/4448/4450/4452/4454/4456/
4458/4460/4462/4464/4466/4468/4470/4472/4474/4476/4478/4480/4482/4484/4486/4488/4490/4492/4494/4496/
4498/4500/4502/4504/4506/4508/4510/4512/4514/4516/4518/4520/4522/4524/4526/4528/4530/4532/4534/4536/
4538/4540/4542/4544/4546/4548/4550/4552/4554/4556/4558/4560/4562/4564/4566/4568/4570/4572/4574/4576/
4578/4580/4582/4584/4586/4588/4590/4592/4594/4596/4598/4600/4602/4604/4606/4608/4610/4612/4614/4616/
4618/4620/4622/4624/4626/4628/4630/4632/4634/4636/4638/4640/4642/4644/4646/4648/4650/4652/4654/4656/
4658/4660/4662/4664/4666/4668/4670/4672/4674/4676/4678/4680/4682/4684/4686/4688/4690/4692/4694/4696/
4698/4700/4702/4704/4706/4708/4710/4712/4714/4716/4718/4720/4722/4724/4726/4728/4730/4732/4734/4736/
4738/4740/4742/4744/4746/4748/4750/4752/4754/4756/4758/4760/4762/4764/4766/4768/4770/4772/4774/4776/
4778/4780/4782/4784/4786/4788/4790/4792/4794/4796/4798/4800/4802/4804/4806/4808/4810/4812/4814/4816/
4818/4820/4822/4824/4826/4828/4830/4832/4834/4836/4838/4840/4842/4844/4846/4848/4850/4852/4854/4856/
4858/4860/4862/4864/4866/4868/4870/4872/4874/4876/4878/4880/4882/4884/4886/4888/4890/4892/4894/4896/
4898/4900/4902/4904/4906/4908/4910/4912/4914/4916/4918/4920/4922/4924/4926/4928/4930/4932/4934/4936/
4938/4940/4942/4944/4946/4948/4950/4952/4954/4956/4958/4960/4962/4964/4966/4968/4970/4972/4974/4976/
4978/4980/4982/4984/4986/4988/4990/4992/4994/4996/4998/5000/5002/5004/5006/5008/5010/5012/5014/5016/
5018/5020/5022/5024/5026/5028/5030/5032/5034/5036/5038/5040/5042/5044/5046/5048/5050/5052/5054/5056/
5058/5060/5062/5064/5066/5068/5070/5072/5074/5076/5078/5080/5082/5084/5086/5088/5090/5092/5094/5096/
5098/5100/5102/5104/5106/5108/5110/5112/5114/5116/5118/5120/5122/5124/5126/5128/5130/5132/5134/5136/
5138/5140/5142/5144/5146/5148/5150/5152/5154/5156/5158/5160/5162/5164/5166/5168/5170/5172/5174/5176/
5178/5180/5182/5184/5186/5188/5190/5192/5194/5196/5198/5200/5202/5204/5206/5208/5210/5212/5214/5216/

仅考察5000内的(p+150两两相加)后面的不发。
回复 支持 反对

使用道具 举报

 楼主| 发表于 2020-9-21 22:04 | 显示全部楼层
从970开始(p+150两两相加),大于等于970的偶数被去覆盖。
回复 支持 反对

使用道具 举报

 楼主| 发表于 2020-9-21 22:06 | 显示全部楼层
代码如下(仅发主程序):

Private Sub Command1_Click()
Dim a, b
a = Val(Text1)
a1 = a
Q = Val(Text2)
m = Sqr(Q)
If Right(a, 1) Mod 2 = 0 Then
a = a + 1
Else
a = a
End If
s = 0
Do While a <= m
b = a + 300
c = fenjieyinzi0(Val(a))
d = fenjieyinzi0(Val(b))
If InStr(c, "*") = 0 And InStr(d, "*") = 0 Then
s = s + 1
Print a, b, a + 150
Text3 = Text3 & "/" & a + 150 & vbCrLf
Else
s = s
End If
a = a + 2
Loop
a2 = a
s1 = s
Do While a2 <= Q
B1 = a2 + 300
c1 = fenjieyinzi0(Val(a2))
D1 = fenjieyinzi0(Val(B1))

If InStr(c1, "*") = 0 And InStr(D1, "*") = 0 Then
s1 = s1 + 1
Print a2, B1, a2 + 150
Text3 = Text3 & "/" & a2 + 150 & vbCrLf
Else
s1 = s1
End If
a2 = a2 + 2

Loop
Combo1 = a1 & "与" & Q & "之间有" & s1 & "对p,p+300素数对(仅显示孪中p+150):" & vbCrLf & Text3
s103 = DeleteSpace1(Text3)
s103 = Mid(s103, 1)
Dim i As Integer
Dim ak(), s105, cr(), f
Set f = CreateObject("Scripting.Dictionary")
s105 = Split(s103, "/")
   j1 = UBound(s105)
   Print j1
   For k = 1 To j1
      n1 = n1 + 1
       ReDim Preserve ak(1 To n1)
      ak(n1) = s105(n1)
    Next
    Print ak(1)
     n = 0
        For k = 1 To j1
           For i = 1 To j1
             n = n + 1
             ReDim Preserve cr(1 To n)
            m = Val(ak(k)) + Val(ak(i))
            f(m) = ""
      Next
    Next
      n = 0
      m = f.Keys
      For i = 0 To f.Count - 1
          ReDim Preserve cr(1 To i + 1)
          cr(i + 1) = m(i)
      Next
     For i = 1 To UBound(cr) - 1
        For j = i + 1 To UBound(cr)
            If cr(i) > cr(j) Then
                temp = cr(j)
                cr(j) = cr(i)
                cr(i) = temp  'c数组是排序好的
            End If
        Next j
        
       ' If i Mod 20 = 0 Then
       ' s104 = s104 & temp & "/" & vbCrLf
       ' Else
       ' s104 = s104 & temp & "/"
       ' End If
    Next i
   
      For i = 1 To UBound(cr)
        If i Mod 20 = 0 Then
          s104 = s104 & cr(i) & "/" & vbCrLf
        Else
          s104 = s104 & cr(i) & "/"
        End If
     Next
         Print temp
         MsgBox "ok"
     MsgBox s104  '显示数组
Text4 = s104
End Sub

Private Sub Command2_Click()
Text1 = ""
Text2 = ""
Text3 = ""
Combo1 = ""
Form1.Cls
End Sub
回复 支持 反对

使用道具 举报

 楼主| 发表于 2020-9-21 22:09 | 显示全部楼层
孪中两两相加后的偶数,进行了排序,相同的合并为1个,因此,容易考察。
回复 支持 反对

使用道具 举报

发表于 2020-9-21 22:19 | 显示全部楼层
非常感谢 ysr 兄!!!
回复 支持 反对

使用道具 举报

 楼主| 发表于 2020-9-21 22:30 | 显示全部楼层
不客气!欢迎沟通和探讨,谢谢切磋!
偶数6和100之间的偶数的方根内最少拆分个数为:0,有8个0 分别列表如下:
(偶数) (偶数方根内的素数和对个数) (总素数和对个数)

6 0  1
8 0  1
10 1  2
12 0  1
14 1  2
16 1  2
18 0  2
20 1  2
22 1  3
24 0  3
26 1  3
28 1  2
30 0  3
32 1  2
34 2  4
36 1  4
38 0  2
40 1  3
42 1  4
44 1  3
46 2  4
48 1  5
50 2  4
52 1  3
54 1  5
56 1  3
58 1  4
60 1  6
62 1  3
64 2  5
66 2  6
68 1  2
70 1  5
72 1  6
74 2  5
76 2  5
78 2  7
80 1  4
82 1  5
84 1  8
86 2  5
88 1  4
90 1  9
92 1  4
94 1  5
96 1  7
98 0  3
100 1  6
回复 支持 反对

使用道具 举报

发表于 2020-9-22 16:36 | 显示全部楼层
ysr 兄,前一段时间,我的想法是,

30,60,90,120,150,180,240,270,300,

这九个数都有相同的素因子2,3,5,我想

这九个素数对,在同样大的范围内的个数几乎一样多!
回复 支持 反对

使用道具 举报

您需要登录后才可以回帖 登录 | 注册

本版积分规则

Archiver|手机版|小黑屋|数学中国 ( 京ICP备05040119号 )

GMT+8, 2025-6-29 06:58 , Processed in 0.102474 second(s), 15 queries .

Powered by Discuz! X3.4

Copyright © 2001-2020, Tencent Cloud.

快速回复 返回顶部 返回列表