2-1=1
(2+1)(2^2+1)(2^4+1)……(2^32+1)+1
=(2-1)(2+1)(2^2+1)(2^4+1)……(2^32+1)+1
=(2^2-1)(2^2+1)(2^4+1)……(2^32+1)+1
……
=(2^64-1)+1
=2^64
2-1=1
(2+1)(2^2+1)(2^4+1)……(2^32+1)+1
=(2-1)(2+1)(2^2+1)(2^4+1)……(2^32+1)+1
=(2^2-1)(2^2+1)(2^4+1)……(2^32+1)+1
……
=(2^64-1)+1
=2^64