Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2997959Factored
FactorDigitsBitsDate
105463696247977106549995734312993.12021-08-26 08:51:09
ECM
DigitsB1Curves
255000085 / 280
Estimated T-Level: 21.5
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Roger Smith8EE6FF2D43B3C6D60
Verified (Factored)1999-06-15Robbie Offutt8EE6FF2D43B3C6D61761862
Verified (Factored)2018-10-24kkmrkkblmbrbk8EE6FF2D43B3C6D62706306
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-08-26SRJ2877C4CDE86A41AD15241242202553
History
DateUserTypeResult
2021-08-26Will EdgingtonCERT
PRP Certification
Proof certified good
2021-08-26SRJ2877C-PRP
M2997959/10546369624797710654999573431 : C4CDE86A41AD1524
PRP proof power = 7
PRP: Verified
Proof certified good
2021-08-26daveward2005F-ECM
Factor: 10546369624797710654999573431 / (ECM curve 5, B1=50000, B2=5000000, Sigma=2947513392369931)
2021-04-15TJAOINF
no factor from 2^68 to 2^69
2019-11-29BigBrotherNF-PM1
B1=3000000, B2=90000000, E=12
2018-12-30chuenkitNF
no factor from 2^67 to 2^68
2018-10-24kkmrkkblmbrbkC-LL
8EE6FF2D43B3C6D6
2017-12-07Gordon SpenceNF
no factor from 2^66 to 2^67
2017-04-12JossNF-PM1
B1=644971, B2=6449710, E=12
2017-04-07JossNF-PM1
B1=537476, B2=5374760, E=6
2017-04-04JossNF-PM1
B1=447897, B2=4478970, E=6
2017-04-01JossNF-PM1
B1=373248, B2=3732480, E=6
2017-03-02JossNF-PM1
B1=311040, B2=3110400, E=6
2016-12-23JossNF-PM1
B1=216000
2016-12-16JossNF-PM1
B1=180000
2016-10-07JossNF-PM1
B1=150000, B2=15000000, E=12
2016-09-21JossNF-PM1
B1=150000, B2=2894925
2016-09-12JossNF-PM1
B1=150000, B2=2631750, E=6
2016-02-24ramgeisNF
no factor from 2^65 to 2^66
2015-02-01lycornNF
no factor from 2^64 to 2^65
2015-02-01lycornNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-11-26markrNF
no factor from 2^61 to 2^62
2010-10-20markrNF-PM1
B1=110000, B2=2392500, E=6
2009-02-13Sturle SundeNF
no factor from 2^60 to 2^61