18535900081

This number is a prime.

1 8535900081

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77232917 * 240 + 1 = 18535900081, where 77232917 is a Mersenne prime exponent. Note that 77232917 * 240 {+10, +20, +30} + 1 are all prime numbers. [Harrison]

Submitted: 2024-01-16 23:21:36; Last Modified: 2024-01-16 23:23:29.