Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
49197751Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
122314251125395236984472373.42010-09-23 01:14:48
History
DateUserTypeResult
2024-05-05James HeinrichNF
no factor from 2^68 to 2^69
2010-09-23Jack The RipperF-PM1
Factor: 12231425112539523698447
2008-06-03-Anonymous-NF
no factor to 2^64