# 131711

This number is a prime.

The larger of two primes concatenated from first three successive double-digit primes, 11, 13, 17, whose product creates the smallest 2-sphenic number that consists of four successive digits, i.e., 2431=11*13*17. [Loungrides]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell