1117315319

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The smallest prime concatenated from five distinct double-digit primes, so that deleting from the right, a double digit prime each time, remains always a prime, i.e., 11173153, 111731, 1117, 11. [Loungrides]

Submitted: 2015-01-11 09:44:50;   Last Modified: 2018-03-08 00:02:49.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell