Hi.

I recently stumbled upon this question and still can't figure out how to prove it. This is a GCSE question and it has never been this hard before.

\(k=2^p - 1\)

\(N = k^2 -1\)

Show that 2^(p+1) is a factor of N

Thanks in advance,

bqrs01

bqrs01
May 27, 2017