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
111120577Factored
FactorDigitsBitsDate
856229024155582573373212376.22021-08-07 10:26:11
P-1 factors
DateFactorB1B2
2021-08-078562290241555825733732155000005500000
History
DateUserTypeResult
2021-08-07Paul UnderwoodF-PM1
Factor: 85622902415558257337321 / (P-1, B1=5500000)
2020-12-21arpcarNF
no factor from 2^75 to 2^76
2020-11-25arpcarNF
no factor from 2^74 to 2^75
2020-08-17atrenchNF
no factor from 2^73 to 2^74
2020-08-16TomNF
no factor from 2^72 to 2^73
2019-01-20Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-02-07Brandon VincentNF
no factor from 2^70 to 2^71
2015-02-06Brandon VincentNF
no factor from 2^69 to 2^70
2015-02-04cianozNF
no factor from 2^68 to 2^69
2015-02-03Brandon VincentNF
no factor from 2^67 to 2^68
2014-11-15GornostaevNF
no factor from 2^66 to 2^67
2012-05-31omiXorpNF
no factor from 2^65 to 2^66
2010-09-21oilwarzonedotcomNF
no factor from 2^64 to 2^65
2010-05-022knarfNF
no factor from 2^63 to 2^64