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
610569587Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2228381984799382705132167.62016-11-11 10:36:56
History
DateUserTypeResult
2016-11-11NipalF
Factor: 222838198479938270513 / TF: 67-70
2014-01-26sasakiNF
no factor from 2^65 to 2^67