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

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Exponent Range:










MnStatusDetails
1924243Factored
FactorDigitsBitsDate
242565949847051507640072374.42017-12-19 23:15:57
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Victor Huang663C412A3927BDA80
Verified (Factored)1999-01-10John Wyszynski663C412A3927BDA8596096
Verified (Factored)2015-06-27MadPoo663C412A3927BDA81890472
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-12-23BloodERazorFDC915032ED4B941120690253
Verified2017-12-25Oliver KruseFDC915032ED4B94117959253
History
DateUserTypeResult
2017-12-25Oliver KruseC-PRP
M1924243/24256594984705150764007 : FDC915032ED4B941
PRP: Verified
PRP without proof (not generated)
2017-12-23BloodERazorC-PRP
M1924243/24256594984705150764007 : FDC915032ED4B941
PRP: Verified
PRP without proof (not generated)
2017-12-19bamF-ECM
Factor: 24256594984705150764007 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2015-09-03ramgeisNF
no factor from 2^65 to 2^66
2015-06-27MadPooC-LL
663C412A3927BDA8
2015-05-17snme2pm1NF
no factor from 2^64 to 2^65
2015-05-17snme2pm1NF
no factor from 2^63 to 2^64
2011-09-28kurlyNF-PM1
B1=1000000, B2=30000000, E=12
2011-08-27GrunwalderGIMPNF
no factor from 2^1 to 2^63
2009-06-05Architects CubedNF
no factor from 2^60 to 2^61