8839

This number is a prime.

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(8839, 8893) is the larger of only two pairs of 4-digit primes formed by inserting a double-digit prime p between the digits of its next prime q and by inserting q between the digits of its previous prime p, case (p=83, q=89). The other pair is (2239, 2293). [Loungrides]

Submitted: 2011-09-21 13:41:31; Last Modified: 2018-12-12 14:44:55.