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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MnStatusDetails
38591743TF
No factors below 273
TF target 272
P-1
B1 = 570000
B2 = 12682500
LL
StatusDateUserResidueShift
Verified2007-10-29Flavio Rizzardi1B5512D2E456391830774574
Verified2017-01-20Zr401B5512D2E45639183124318
History
DateUserTypeResult
2022-06-06Sid & AndyNF
no factor from 2^72 to 2^73
2018-07-08Architects CubedNF
no factor from 2^71 to 2^72
2018-06-26Architects CubedNF-PM1
B1=570000, B2=12682500, E=12
2017-01-20Zr40C-LL
1B5512D2E4563918
2014-12-05chalsallNF
no factor from 2^70 to 2^71
2014-09-03mikrNF
no factor from 2^69 to 2^70