136279841
This number is a prime.
The exponent for the largest Mersenne prime (and, in turn,
the largest prime) was discovered on October 12, 2024 by
Luke Durant and verified on October 19, 2024 by GIMPS. [Reamy]
The smallest Mersenne prime exponent containing every digit
that is not a multiple of 5. Note that if you remove either the first
or last digit you get a distinct-digit number. [Nie]
(There is one curio for this number that has not yet been approved by an editor.)
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