(2-1)(2¹+1)(2²+1)(2&sup4+1)(2&sup8+1)(2¹6+1)(2³2+1)/(2-1)
=(2²-1)(2²+1)(2&sup4+1)(2&sup8+1)(2¹6+1)(2³2+1)/(2-1)
=(2³2-1)(2³2+1)/(2-1)
=2^64-1
(2-1)(2¹+1)(2²+1)(2&sup4+1)(2&sup8+1)(2¹6+1)(2³2+1)/(2-1)
=(2²-1)(2²+1)(2&sup4+1)(2&sup8+1)(2¹6+1)(2³2+1)/(2-1)
=(2³2-1)(2³2+1)/(2-1)
=2^64-1