790879

This number is a prime.

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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]

Submitted: 2011-11-21 16:01:15; Last Modified: 2019-01-22 13:11:33.