Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
206212711Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5474891934749219518312168.92017-10-13 08:45:51
History
DateUserTypeResult
2025-03-24James HeinrichF
Factor: 547489193474921951831 / TF: 68-70
2017-10-13AlissonF
Factor: 547489193474921951831 / TF: 68-69
2016-08-30XolotlNF
no factor from 2^67 to 2^68
2015-10-05loki1975NF
no factor from 2^66 to 2^67
2013-07-31subgeniusNF
no factor from 2^65 to 2^66
2011-05-09dslNF
no factor from 2^64 to 2^65