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

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MnStatusDetails
2023093Factored
FactorDigitsBitsDate
11149082920650814707432269.92015-07-03 08:10:56
ECM
DigitsB1Curves
2550000280 / 280
30250000112 / 640
Estimated T-Level: 25.9
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Mischa Kenn5746840A1FF68D3C0
Verified (Factored)Bill Ingles5746840A1FF68D3C0
Verified (Factored)1999-01-29Eric Strand5746840A1FF68D3C999040
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-06Oliver Kruse381BF60FD82B3D9D1013
Verified2017-11-19kkmrkkblmbrbk381BF60FD82B3D9D1174247713
History
DateUserTypeResult
2022-03-09LordJuliusNF
no factor from 2^1 to 2^60
2017-11-19kkmrkkblmbrbkC-PRP
M2023093/1114908292065081470743 : 381BF60FD82B3D9D
PRP: Verified
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2023093/1114908292065081470743 : 381BF60FD82B3D9D
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-07-03guruF-ECM
Factor: 1114908292065081470743 / (ECM curve 2, B1=50000, B2=5000000)
2015-04-10VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-10VictordeHollanderNF
no factor from 2^63 to 2^64
2013-10-21David CampeauNF-PM1
B1=580000, B2=15080000, E=12
2013-02-11dbaughNF
no factor from 2^62 to 2^63
2012-02-05Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-12-10JossNF-PM1
B1=202309
2009-01-02Sturle SundeNF
no factor from 2^60 to 2^61