现在检验一下那个最大的、次大的。
1/4*(n^5-133n^4+6729n^3-158379n^2+1720294n-6823316)
n 多项式值 素性
0 -1705829 1705829 is prime
1 -1313701 1313701 is prime
2 -991127 991127 is prime
3 -729173 729173 is prime
4 -519643 519643 is prime
5 -355049 355049 is prime
6 -228581 228581 is prime
7 -134077 134077 is prime
8 -65993 65993 is prime
9 -19373 19373 is prime
10 10181 10181 is prime
11 26539 26539 is prime
12 33073 33073 is prime
13 32687 32687 is prime
14 27847 27847 is prime
15 20611 20611 is prime
16 12659 12659 is prime
17 5323 5323 is prime
18 -383 383 is prime
19 -3733 3733 is prime
20 -4259 4259 is prime
21 -1721 1721 is prime
22 3923 3923 is prime
23 12547 12547 is prime
24 23887 23887 is prime
25 37571 37571 is prime
26 53149 53149 is prime
27 70123 70123 is prime
28 87977 87977 is prime
29 106207 106207 is prime
30 124351 124351 is prime
31 142019 142019 is prime
32 158923 158923 is prime
33 174907 174907 is prime
34 189977 189977 is prime
35 204331 204331 is prime
36 218389 218389 is prime
37 232823 232823 is prime
38 248587 248587 is prime
39 266947 266947 is prime
40 289511 289511 is prime
41 318259 318259 is prime
42 355573 355573 is prime
43 404267 404267 is prime
44 467617 467617 is prime
45 549391 549391 is prime
46 653879 653879 is prime
47 785923 785923 is prime
48 950947 950947 is prime
49 1154987 1154987 is prime
50 1404721 1404721 is prime
51 1707499 1707499 is prime
52 2071373 2071373 is prime
53 2505127 2505127 is prime
54 3018307 3018307 is prime
55 3621251 3621251 is prime
56 4325119 4325119 is prime
57 5141923 5141923=821*6263
58 6084557 6084557=131*46447
59 7166827 7166827 is prime
60 8403481 8403481 is prime
n=0-56时都是素数,共57个,网页的标称正确!
因多项式是5次的,多项式的数值呈升—降—升—降—升的趋势,两段负数。
1/36*(n^6-126n^5+6217n^4-153066n^3+1987786n^2-13055316n+34747236)
n 多项式值 素性
0 965201 965201 is prime
1 653687 653687 is prime
2 429409 429409 is prime
3 272563 272563 is prime
4 166693 166693 is prime
5 98321 98321 is prime
6 56597 56597 is prime
7 32969 32969 is prime
8 20873 20873 is prime
9 15443 15443 is prime
10 13241 13241 is prime
11 12007 12007 is prime
12 10429 10429 is prime
13 7933 7933 is prime
14 4493 4493 is prime
15 461 461 is prime
16 -3583 3583 is prime
17 -6961 6961 is prime
18 -9007 9007 is prime
19 -9157 9157 is prime
20 -7019 7019 is prime
21 -2423 2423 is prime
22 4549 4549 is prime
23 13553 13553 is prime
24 23993 23993 is prime
25 35051 35051 is prime
26 45737 45737 is prime
27 54959 54959 is prime
28 61613 61613 is prime
29 64693 64693 is prime
30 63421 63421 is prime
31 57397 57397 is prime
32 46769 46769 is prime
33 32423 32423 is prime
34 16193 16193 is prime
35 1091 1091 is prime
36 -8443 8443 is prime
37 -6271 6271 is prime
38 15733 15733 is prime
39 67993 67993 is prime
40 163561 163561 is prime
41 318467 318467 is prime
42 552089 552089 is prime
43 887543 887543 is prime
44 1352093 1352093 is prime
45 1977581 1977581 is prime
46 2800877 2800877 is prime
47 3864349 3864349 is prime
48 5216353 5216353 is prime
49 6911743 6911743 is prime
50 9012401 9012401 is prime
51 11587787 11587787 is prime
52 14715509 14715509 is prime
53 18481913 18481913 is prime
54 22982693 22982693 is prime
55 28323521 28323521=3083*9187
56 34620697 34620697=307*112771
57 42001819 42001819 is prime
58 50606473 50606473=743*68111
59 60586943 60586943=199*304457
60 72108941 72108941=317*227473
n=0-54时都是素数,共55个,网页的标称正确!
因多项式是6次的,多项式的数值呈降—升—降—升—降—升的趋势,两段负数。