(2+1)(2的平方+1)(2的4次幂+1)(2的8次幂+1)...(2的64次幂+1)
=(2-1)(2+1)(2的平方+1)(2的4次幂+1)(2的8次幂+1)...(2的64次幂+1)
=(2²-1)(2²+1)(2 ^4+1)(2^8+1)..(2^64 +1)
=..
=2^128-1
(2+1)(2的平方+1)(2的4次幂+1)(2的8次幂+1)...(2的64次幂+1)
=(2-1)(2+1)(2的平方+1)(2的4次幂+1)(2的8次幂+1)...(2的64次幂+1)
=(2²-1)(2²+1)(2 ^4+1)(2^8+1)..(2^64 +1)
=..
=2^128-1