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

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MnStatusDetails
11710183Factored
FactorDigitsBitsDate
2238048125452755650174022123905821143138124.12021-12-24 13:00:10
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-02-25Geoffrey Swift250AE2E48FA099612146382
Verified (Factored)2004-08-06Paul Kerr250AE2E48FA099616812569
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-12-30LaurV63237B6932EF8C151639048353
P-1 factors
DateFactorB1B2
2021-12-24223804812545275565017402212390582114312000000814044660
History
DateUserTypeResult
2021-12-30GIMPS-PRIMCERT
PRP Certification
Proof certified good
2021-12-30LaurVC-PRP
M11710183/22380481254527556501740221239058211431 : 63237B6932EF8C15
PRP proof power = 8
PRP: Verified
Proof certified good
2021-12-24Architects CubedF-PM1
Factor: 22380481254527556501740221239058211431 / (P-1, B1=2000000, B2=814044660)
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2018-01-18ramgeisNF
no factor from 2^68 to 2^69
2018-01-18ramgeisNF
no factor from 2^67 to 2^68
2016-05-15NumberwangNF-PM1
B1=120000, B2=2430000, e=6
2016-05-12NumberwangNF-PM1
B1=120000, B2=2430000, e=6
2016-02-08VictordeHollanderNF
no factor from 2^66 to 2^67
2013-11-26NesowaNF
no factor from 2^65 to 2^66
2013-10-29lycornNF
no factor from 2^64 to 2^65