281
This number is a prime.
Single Curio View: (Seek other curios for this number)
The largest prime p such that (1!+2!+3!+4!+ ... +p!) - 2 is
prime. [Capelle]
Submitted: 2009-10-05 09:54:11; Last Modified: 2009-10-05 10:40:12.
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