This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
Single Curio View: (Seek other curios for this number)The second prime of the form P!/P# + P# + 1, where P is prime number (case P = 617, P = 29 for the first one). Can you find the third? [Petrov]
Submitted: 2019-04-04 05:18:45; Last Modified: 2019-04-05 09:39:05.
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