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
55981963TF
No factors below 273
TF target 273
P-1
B1 = 600000
B2 = 14400000
LL
StatusDateUserResidueShift
Bad2012-01-13remvadFEF0D9D36EBF476518247985
Verified2013-06-19Helmut Kirrmaier625547BC5790E7E511099002
Verified2016-09-23AirSquirrels625547BC5790E7E544967384
History
DateUserTypeResult
2016-09-23AirSquirrelsC-LL
625547BC5790E7E5
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2013-06-19Helmut KirrmaierC-LL
625547BC5790E7E5
2012-06-17TheJudgerNF
no factor from 2^71 to 2^72
2012-01-13remvadC-LL
FEF0D9D36EBF4765
2011-11-08remvadNF-PM1
B1=600000, B2=14400000, E=6
2011-09-28XyzzyNF
no factor from 2^70 to 2^71
2011-06-01Tom DuellNF
no factor from 2^69 to 2^70
2011-04-10-Anonymous-NF
no factor from 2^68 to 2^69
2009-12-13Choi4KANGNF
no factor from 2^67 to 2^68
2009-12-09kimuraNF
no factor from 2^66 to 2^67
2009-11-20-Anonymous-NF
no factor from 2^65 to 2^66
2009-11-15GrunwalderGIMPNF
no factor from 2^64 to 2^65
2009-01-041997rj7NF
no factor from 2^63 to 2^64