This number is a prime.
Single Curio View: (Seek other curios for this number)The first emirp, that is a concatenation of a Sophie Germain emirp p, (case p=113), and the corresponding safe prime 2p+1. [Loungrides]
Submitted: 2012-10-23 05:12:16; Last Modified: 2019-02-08 12:45:41.
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