# 790879

This number is a prime.

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

The smallest prime formed by concatenating two consecutive Lychrel numbers, i.e., 790, 879. Note that the sum and the difference of these Lychrel numbers are also primes, i.e., 790+879 = 1669 and 879-790 = 89. [Loungrides]

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