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

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Exponent Range:










MnStatusDetails
1109611Factored
FactorDigitsBitsDate
462304167889346389366749912685.32018-06-08 13:18:21
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 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)phil kenny4CAE97B711EE80C60
Verified (Factored)Simon Burge4CAE97B711EE80C60
Verified (Factored)2004-02-23Brian J. Beesley4CAE97B711EE80C6108313
Verified (Factored)2016-06-01MadPoo4CAE97B711EE80C61046034
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-06-10Daniil Tsarkov4729947FFED4129A12892053
Verified2018-06-11Chang Chia-Tche4729947FFED4129A177318853
History
DateUserTypeResult
2018-06-11Chang Chia-TcheC-PRP
M1109611/46230416788934638936674991 : 4729947FFED4129A
PRP: Verified
PRP without proof (not generated)
2018-06-10Daniil TsarkovC-PRP
M1109611/46230416788934638936674991 : 4729947FFED4129A
PRP: Verified
PRP without proof (not generated)
2018-06-08TJAOIF-ECM
Factor: 46230416788934638936674991 / (ECM curve 133, B1=50000, B2=5000000)
2016-06-01MadPooC-LL
4CAE97B711EE80C6
2016-02-23Mark RoseNF
no factor from 2^57 to 2^60
2015-12-16ramgeisNF
no factor from 2^70 to 2^71
2015-12-16ramgeisNF
no factor from 2^69 to 2^70
2015-12-16ramgeisNF
no factor from 2^68 to 2^69
2015-12-16ramgeisNF
no factor from 2^67 to 2^68
2015-12-16ramgeisNF
no factor from 2^66 to 2^67
2015-05-31omylistNF
no factor from 2^65 to 2^66
2015-02-28mikrNF-PM1
B1=5000000, B2=200000000, E=12
2014-12-29lycornNF
no factor from 2^64 to 2^65
2014-12-22Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-11dbaughNF
no factor from 2^62 to 2^63
2012-09-28kurlyNF-PM1
B1=500000, B2=10000000, E=12
2011-05-09XyzzyNF
no factor from 2^61 to 2^62
2009-02-14Sturle SundeNF
no factor from 2^60 to 2^61