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
194713877Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1172115231099371546.72007-12-05 14:21:48
398893181094446471755.12015-01-09 15:06:19
3128781036022762793692168.12024-09-20 09:53:35
History
DateUserTypeResult
2024-09-20TJAOIF
Factor: 312878103602276279369 / TF: 56-69
2015-01-09TJAOIF
Factor: 39889318109444647 / TF: 55-56