7841

This number is a prime.

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7841 is the smallest prime p such that (p!-1) is divisible by nextprime to p. Stuart Gascoigne discovered this and two more solutions. No other solutions known (June 2019). [Rivera]

Submitted: 2019-06-30 12:20:57;   Last Modified: 2019-06-30 13:09:27.
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