# 29177723

This number is a composite.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

A 3-sphenic number, i.e., 29177723 = 107 × 389 × 701, with emirp prime factors, that is the concatenation in order of the 4-digit primes 2917, 7723 whose the concatenation in reverse order, i.e., 77232917, becomes the exponent in the 50th Mersenne prime. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell