20/03/07 04:53:05.26 bfEFgg5v.net
>>734
a > 1 = b の例なら多数ある。
3^3 + 13 - 1 = 3･13,
3^7 + 1093 - 1 = 3･1093,
3^9 + 757 - 1 = (3^3)･757,
3^13 + 797161 - 1 = (3^5)･797161,
5^3 + 31 -1 = 5･31,
5^7 + 19531 - 1 = 5･19531､
5^11 + 12207031 - 1 = 5･12207031,
5^13 + 305175781 - 1 = 5･305175781,
7^5 + 2801 - 1 = 7･2801,
7^13 + 16148168401 - 1 = 7･16148168401,
11^9 + 1772893 - 1 = 11･1772893,
13^5 + 30941 - 1 = 13･30941,
13^7 + 5229043 - 1 = 13･5229043,
17^5 + 88741 - 1 = 17･88741,
23^5 + 292561 - 1 = 23･292561,
29^5 + 732541 - 1 = 29･732541,
31^7 + 917087137 - 1 = 31･917087137.