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

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MnStatusDetails
6975107Factored
FactorDigitsBitsDate
134299790674416758447272373.52017-05-06 15:47:03
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)1999-07-04Brian Uechi529D32550ACF394A2649871
Verified (Factored)2001-11-17Gustavo Felisberto529D32550ACF394A1394263
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-30Oliver KruseC79E720ED50018CD1208363153
Verified2019-02-17J.R. AllenC79E720ED50018CD1669616053
History
DateUserTypeResult
2019-02-17J.R. AllenC-PRP
M6975107/13429979067441675844727 : C79E720ED50018CD
PRP: Verified
PRP without proof (not generated)
2018-01-30Oliver KruseC-PRP
M6975107/13429979067441675844727 : C79E720ED50018CD
PRP: Verified
PRP without proof (not generated)
2017-05-06Sergey NosovF-ECM
Factor: 13429979067441675844727 / (ECM curve 3, B1=50000, B2=5000000)
2016-04-26Gordon SpenceNF
no factor from 2^66 to 2^67
2015-07-03VictordeHollanderNF
no factor from 2^65 to 2^66
2014-02-15lycornNF
no factor from 2^64 to 2^65
2014-02-09NesowaNF
no factor from 2^63 to 2^64
2011-12-07James HeinrichNF-PM1
B1=135000, B2=2835000, E=6