83895953616753473137

This number is a prime.

8389595361 6753473137

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The largest prime formed from the concatenation of all the 4-digit primes, (five primes), each of them consisting of two successive double-digit primes, i.e., 8389, 5953, 6167, 5347, 3137. [Loungrides]

Submitted: 2015-09-03 05:13:51; Last Modified: 2018-12-10 14:07:23.