Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
66280483TF
No factors below 276
TF target 274
P-1
B1 = 361000
B2 = 145798800
LL
StatusDateUserResidueShift
Verified2014-10-31unconnectedE1C3FDB56C06966420895788
Verified2023-09-16Sergey NosovE1C3FDB56C06966453899843
History
DateUserTypeResult
2023-09-16Sergey NosovC-LL
E1C3FDB56C069664
2022-09-25ScottieMckinleyNF-PM1
B1=361000, B2=145798800
2021-08-19AyczlyNF
no factor from 2^75 to 2^76
2021-08-19AyczlyNF
no factor from 2^74 to 2^75
2015-06-29NesowaNF
no factor from 2^73 to 2^74
2014-10-31unconnectedC-LL
E1C3FDB56C069664
2014-04-20-Anonymous-NF-PM1
B1=785000
2014-04-18The MawnNF
no factor from 2^72 to 2^73
2014-03-31dragonbud20NF
no factor from 2^71 to 2^72
2013-04-05g0bNF
no factor from 2^70 to 2^71
2012-02-05ITSNF
no factor from 2^69 to 2^70
2009-12-10GrunwalderGIMPNF
no factor from 2^68 to 2^69
2009-12-09Sturle SundeNF
no factor from 2^67 to 2^68
2009-12-06Scott KurowskiNF
no factor from 2^66 to 2^67
2009-11-30Sturle SundeNF
no factor from 2^65 to 2^66
2009-11-29Sturle SundeNF
no factor from 2^64 to 2^65
2009-05-171997rj7NF
no factor to 2^64