计算(2+1)(2^2+1)(2^4+1)(2^8+1)·····(2^64+1)+1

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计算(2+1)(2^2+1)(2^4+1)(2^8+1)·····(2^64+1)+1

(2+1)(2^2+1)(2^4+1)(2^8+1)……(2^64+1)+1
=(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)……(2^64+1)+1
=(2^2-1)(2^2+1)(2^4+1)(2^8+1)……(2^64+1)+1
=(2^4-1)(2^4+1)(2^8+1)……(2^64+1)+1
=(2^8-1)(2^8+1)……(2^64+1)+1
=(2^16-1)……(2^64+1)+1
=(2^64-1)(2^64+1)+1
=2^128-1+1
=2^128