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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Exponent Range:










MnStatusDetails
38419327Factored
FactorDigitsBitsDate
55279747542694404402492272.22015-03-14 06:46:24
LL
StatusDateUserResidueShift
Bad2007-06-15S646200C781ABCD41E3BB9022827104
Bad2007-07-24S666631C781ABCD41E3BB9022827104
Bad2007-07-24S666631FF47FC59A97AA6C428207108
Bad2009-04-27Senft440FDFC08E8F596E30116572
Verified (Factored)2015-03-12MadPoo49C1FA87567C64EB1049059
Verified (Factored)2019-05-06kkmrkkblmbrbk49C1FA87567C64EB12594510
History
DateUserTypeResult
2019-05-06kkmrkkblmbrbkC-LL
49C1FA87567C64EB
2015-03-14VictordeHollanderF
Factor: 5527974754269440440249 / TF: 72-73
2015-03-14VictordeHollanderNF
no factor from 2^71 to 2^72
2015-03-12MadPooC-LL
49C1FA87567C64EB
2014-12-08VictordeHollanderNF
no factor from 2^70 to 2^71
2014-11-24Andrew BNF
no factor from 2^69 to 2^70
2009-04-27SenftC-LL
440FDFC08E8F596E
2009-02-21SenftNF
no factor to 2^69