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
Fermat F22Factored
FactorDigitsBitsDate
6465870599459185100905577486850457735115.62010-03-26
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002913 / 9201
Estimated T-Level: 41.6 ⓘ
TF below 2^133 is very unlikely to find new factors due to ECM effort.
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-04-25Dr. Dwaynefactor ECM small0.00 % 2024-04-27
2024-04-12kagakubufactor ECM smallC3S151.02 % 2024-04-26
2024-03-20eb2024factor ECM smallC5S17.13 % 2024-04-21
2024-01-06S36049factor ECM smallC1S144.48 % 2024-04-27
2023-12-29Dr. Dwaynefactor ECM smallC5S169.88 % 2024-04-27
2023-12-24Ducho_YYZfactor ECM smallC5S230.54 % 2024-04-27
History
DateUserTypeResult
2023-06-16James HeinrichNF-PM1
B1=20000000, B2=10128934200
2021-09-04H MichaelsonNF-PP1
Start=2/7, B1=1000000, B2=100000000
2021-04-29ATHNF-PP1
Start=6/5, B1=20000000, B2=2000000000
2021-04-23ATHNF-PP1
Start=2/7, B1=5000000, B2=500000000
2010-03-25BuckleF-ECM
Factor: 64658705994591851009055774868504577