(2+1)(2²+1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2-1)(2+1)(2²+1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2²-1)(2²+1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2⁴-1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2^8-1)(2^8+1)(2^16+1)+1
=(2^16-1)(2^16+1)+1
=(2^32-1)+1
=2^32
(2+1)(2²+1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2-1)(2+1)(2²+1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2²-1)(2²+1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2⁴-1)(2⁴+1)(2^8+1)(2^16+1)+1
=(2^8-1)(2^8+1)(2^16+1)+1
=(2^16-1)(2^16+1)+1
=(2^32-1)+1
=2^32