-
?
2
3 5 5 7 11 13 17 19 29 31 101 103 10016957 10016959 1000 35 10000 205 1 440312
20 B B= 1/3+1/5 + 1/5+1/7 + 1/11+1/13 + B B
A B C B A 2 C B 4 A B C 5 7 11 ;11 13 17;17 19 23;101 103 107
3 5 5 7 11 13 17 19 29 31 101 103 10016957 10016959 1000000007 1000000009 100000 1224 1000000 8164 32000000 152892 1000000009649 1000000009651