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
2647429TF
No factors below 275
TF target 263
P-1
B1 = 20000000
B2 = 51254437080
ECM
DigitsB1Curves
2550000210 / 280
Estimated T-Level: 23.8
LL
StatusDateUserResidueShift
VerifiedDanny van der Rijn3FD6CA021C2EDF4C0
Verified1999-04-02Andrew Haveland-Robinson3FD6CA021C2EDF4C1846566
Verified2018-07-16kkmrkkblmbrbk3FD6CA021C2EDF4C2305399
History
DateUserTypeResult
2023-03-02kurlyNF-PM1
B1=20000000, B2=51254437080
2022-12-16wazumaNF
no factor from 2^74 to 2^75
2022-12-15JossNF-PM1
B1=1000000, B2=449489040
2022-12-12wazumaNF
no factor from 2^73 to 2^74
2022-12-12wazumaNF
no factor from 2^72 to 2^73
2022-12-11wazumaNF
no factor from 2^71 to 2^72
2022-12-11wazumaNF
no factor from 2^70 to 2^71
2022-12-11wazumaNF
no factor from 2^69 to 2^70
2022-12-11wazumaNF
no factor from 2^68 to 2^69
2022-12-11wazumaNF
no factor from 2^67 to 2^68
2022-12-11wazumaNF
no factor from 2^66 to 2^67
2022-12-11wazumaNF
no factor from 2^65 to 2^66
2022-12-11wazumaNF
no factor from 2^64 to 2^65
2022-12-11wazumaNF
no factor from 2^63 to 2^64
2022-12-11wazumaNF
no factor from 2^62 to 2^63
2022-12-11wazumaNF
no factor from 2^59 to 2^62
2021-06-21TJAOINF
no factor from 2^68 to 2^69
2019-11-28masserNF-PM1
B1=2000000, B2=50000000, E=12
2019-02-18TJAOINF
no factor from 2^67 to 2^68
2018-07-16kkmrkkblmbrbkC-LL
3FD6CA021C2EDF4C
2017-09-08Gordon SpenceNF
no factor from 2^66 to 2^67
2017-05-08JossNF-PM1
B1=360000, B2=3600000, E=6
2016-12-29JossNF-PM1
B1=206385
2016-12-27JossNF-PM1
B1=171988
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2016-01-21ramgeisNF
no factor from 2^65 to 2^66
2015-02-23VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-23VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-14dbaughNF
no factor from 2^62 to 2^63
2012-06-11markrNF
no factor from 2^61 to 2^62
2011-01-20James HeinrichNF-PM1
B1=180000, B2=4275000, E=6
2009-06-22USAFSSNF-PM1
B1=30000, B2=420000
2009-01-30Sturle SundeNF
no factor from 2^60 to 2^61