Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
31010867Factored
FactorDigitsBitsDate
457196523938960689530862872685.22021-09-12 20:33:27
ECM
DigitsB1Curves
25500004 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Bad2006-05-29kiwi128EE919AA833FD1E006987371
Verified (Factored)2009-05-06curtisc4A933410CD07277E25434934
Verified (Factored)2013-12-26Chuck4A933410CD07277E24666636
History
DateUserTypeResult
2021-09-12ATHF-PP1
Start=2/7, B1=300000, B2=10800000, Factor: 45719652393896068953086287
2019-06-20LaurVNF
no factor from 2^71 to 2^72
2019-01-20ramgeisNF
no factor from 2^70 to 2^71
2013-12-26ChuckC-LL
4A933410CD07277E
2013-04-01GrunwalderGIMPNF
no factor from 2^69 to 2^70
2012-05-03XyzzyNF
no factor from 2^68 to 2^69
2011-05-22UngelovendeNF
no factor from 2^67 to 2^68
2009-05-06curtiscC-LL
4A933410CD07277E