1201

This number is a prime.

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The smallest prime p, (emirp), such that (p+1)/2, (p+2)/3 and (p+4)/5 are all primes, i.e. 601, 401, 241. Note that a concatenation of these primes, i.e., 601241401, is also prime. [Loungrides]

Submitted: 2016-03-14 00:04:34;   Last Modified: 2018-12-11 10:22:33.
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