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
86867917Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
521207503929.02007-08-16 00:11:07
39959241831031.92008-09-12 05:24:24
2985613022725243296732168.02024-06-04 07:53:22
History
DateUserTypeResult
2024-06-04TJAOIF
Factor: 298561302272524329673 / TF: 32-69