329891

This number is a prime.

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Prime number p such that p = ((2k)!+1)/(2k+1), where k being both a Sophie Germain prime (2k+1) and a Mersenne prime (2^k-1). Here, k = 5. [Kasa]

Submitted: 2023-12-06 13:19:05; Last Modified: 2024-06-22 19:58:45.