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
5654939Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 266
P-1
B1 = 5000000
B2 = 6428980866
ECM
DigitsB1Curves
255000094 / 280
Estimated T-Level: 21.7 ⓘ
LL
StatusDateUserResidueShift
Verified1998-12-06Frederick Adkins8F9FFE0897A203760
Verified2001-09-22Eugeny Pechenik8F9FFE0897A203765520475
History
DateUserTypeResult
2024-01-31One ManNF
no factor from 2^71 to 2^72
2022-10-06Sid & AndyNF-PM1
B1=5000000, B2=6428980866
2020-12-16-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-15-Anonymous-NF
no factor from 2^69 to 2^70
2020-08-11TJAOINF
no factor from 2^68 to 2^69
2019-11-04USAFSSNF-PM1
B1=340000, B2=10200000, E=12
2018-07-05ramgeisNF
no factor from 2^67 to 2^68
2016-06-22Gordon SpenceNF
no factor from 2^66 to 2^67
2015-08-27snme2pm1NF
no factor from 2^65 to 2^66
2014-11-22monstNF
no factor from 2^64 to 2^65
2014-11-20NesowaNF
no factor from 2^63 to 2^64
2011-04-09USAFSSNF-PM1
B1=65000, B2=1040000, E=6
2009-04-13GrunwalderGIMPNF
no factor from 2^62 to 2^63