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
1112171TF
No factors below 271
TF target 260
TF below 2^81 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 15000000
B2 = 54022094280
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski1F310
VerifiedJack Ingley36E98E36FAFCDF310
Verified2002-04-28S5748336E98E36FAFCDF31952785
Verified2016-06-01MadPoo36E98E36FAFCDF31228044
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-05Ethan O'Connor99800B676051B19F52630713
History
DateUserTypeResult
2023-04-26mikrNF-PM1
B1=15000000, B2=54022094280
2022-11-09JossNF-PM1
B1=1112171, B2=22468355910
2022-10-19Wentao HuangNF-PM1
B1=111000, B2=1910735190
2020-11-05curtiscCERT
PRP Certification
CERT proof power = 6
Proof certified good
2020-11-05Ethan O'ConnorC-PRP
99800B676051B19F
PRP proof power = 6
PRP: Verified
Proof certified good
2016-06-01MadPooC-LL
36E98E36FAFCDF31
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-01-11ramgeisNF
no factor from 2^70 to 2^71
2016-01-11ramgeisNF
no factor from 2^69 to 2^70
2016-01-10ramgeisNF
no factor from 2^68 to 2^69
2016-01-10ramgeisNF
no factor from 2^67 to 2^68
2016-01-10ramgeisNF
no factor from 2^66 to 2^67
2015-06-05omylistNF
no factor from 2^65 to 2^66
2015-03-05mikrNF-PM1
B1=5000000, B2=200000000, E=12
2014-12-30lycornNF
no factor from 2^64 to 2^65
2014-12-22Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-23kurlyNF-PM1
B1=500000, B2=10000000, E=12
2012-10-11dbaughNF
no factor from 2^62 to 2^63
2011-05-09XyzzyNF
no factor from 2^61 to 2^62
2009-01-14Architects CubedNF
no factor from 2^60 to 2^61