47822...54111 (2917-digits)

This number is a prime.

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Are Mersenne primes that end with a "1" and those ending with a "7" tied for the last time at 2⁹⁶⁸⁹ - 1? [Honaker]

Submitted: 2026-01-03 21:05:31; Last Modified: 2026-03-22 20:06:24.