# 12212...23123 (735-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

The smallest prime formed from two consecutive numbers n (122 and 123) with each number repeating n times. [Gupta]

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