本帖最后由 ysr 于 2022-5-22 02:43 编辑
2n+1=2315,
10000内有22组蔡氏素数:
109, 1103,2207,2n+1=2315
277, 1019,2039,2n+1=2315
409, 953,1907,2n+1=2315
829, 743,1487,2n+1=2315
877, 719,1439,2n+1=2315
997, 659,1319,2n+1=2315
1009, 653,1307,2n+1=2315
1033, 641,1283,2n+1=2315
1129, 593,1187,2n+1=2315
1297, 509,1019,2n+1=2315
1429, 443,887,2n+1=2315
1453, 431,863,2n+1=2315
1597, 359,719,2n+1=2315
1753, 281,563,2n+1=2315
1933, 191,383,2n+1=2315
2053, 131,263,2n+1=2315
2089, 113,227,2n+1=2315
2137, 89,179,2n+1=2315
2269, 23,47,2n+1=2315
2293, 11,23,2n+1=2315
2309, 3,7,2n+1=2315
2311, 2,5,2n+1=2315
用时3.00000000061118E-02秒 |