square of primes: 961 = 31 x 31 also works in reverse: 169 = 13 x 13
square of primes: 961 = 31 x 31
also works in reverse: 169 = 13 x 13
square of primes: 961 = 31 x 31 also works in reverse: 169 = 13 x 13
(post is archived)