(2+1)(2²+1)(2&sup4+1)(2&sup8;+1)(2¹6;+1)(2³2;+1)

(2+1)(2²+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)
=（2-1）(2+1)(2²+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)
=2^64-11×2分之1 2×3分之1……1998×1999分之1会吗