9293787934331213

This number is a prime.

929378 7934331213

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The largest prime formed from the concatenation in reverse order of all the emirps each formed from two consecutive double-digit numbers, (i.e., 9293, 7879, 3433, 1213). [Loungrides]

Submitted: 2017-04-13 11:21:29; Last Modified: 2018-03-24 14:09:46.