Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
7124443Factored
FactorDigitsBitsDate
2701004099839051830712167.92018-07-24 09:46:41
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Andrea Dyballa8CE354159041344B724039
Bad2001-10-20Alexey Khlyamkov3C9A843EB29DF2350
Verified (Factored)2002-04-14Chuck Crabb8CE354159041344B4779905
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-26_p95holder_BC0631EE7D20B5781162216853
Verified2019-03-21kkmrkkblmbrbkBC0631EE7D20B5781502855353
History
DateUserTypeResult
2019-03-21kkmrkkblmbrbkC-PRP
M7124443/270100409983905183071 : BC0631EE7D20B578
PRP: Verified
PRP without proof (not generated)
2018-07-26_p95holder_C-PRP
M7124443/270100409983905183071 : BC0631EE7D20B578
PRP: Verified
PRP without proof (not generated)
2018-07-24ramgeisF
Factor: 270100409983905183071 / TF: 67-68*
2016-10-22Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-06-21VictordeHollanderNF
no factor from 2^65 to 2^66
2014-02-08lycornNF
no factor from 2^64 to 2^65
2014-02-02NesowaNF
no factor from 2^63 to 2^64
2011-09-26markrNF-PM1
B1=185000, B2=4347500, E=6