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
248789759Composite: 4 known prime factors
Factored
FactorDigitsBitsDate
497579519928.92008-01-02 12:21:38
5182817994839995691858.82015-10-06 11:52:08
16732532106184673111960.52016-02-15 12:52:51
258935992296916252092064.52017-10-23 11:21:02
History
DateUserTypeResult
2024-10-07mikrNF
no factor from 2^68 to 2^73
2017-10-23TJAOIF
Factor: 25893599229691625209 / TF: 64-65
2016-02-15TJAOIF
Factor: 1673253210618467311 / TF: 60-61
2015-10-06TJAOIF
Factor: 518281799483999569 / TF: 58-59