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
55907281TF
No factors below 274
TF target 273
P-1
B1 = 540000
B2 = 9585000
LL
StatusDateUserResidueShift
Verified2013-11-27-Anonymous-48B952118D48839021776306
Verified2021-02-21Sergey Nosov48B952118D48839054413992
History
DateUserTypeResult
2021-02-21Sergey NosovC-LL
48B952118D488390
2019-04-04ChuckNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2016-01-25Judge HaleNF
no factor from 2^72 to 2^73
2013-11-27-Anonymous-C-LL
48B952118D488390
2012-07-30GrunwalderGIMPNF-PM1
B1=540000, B2=9585000
2012-06-20Jerry HallettNF
no factor from 2^71 to 2^72
2011-06-11kdgehmanNF
no factor from 2^70 to 2^71
2011-06-11kdgehmanNF
no factor from 2^69 to 2^70
2011-04-11dslNF
no factor from 2^68 to 2^69
2009-05-20David BarleyNF
no factor from 2^67 to 2^68
2009-03-23David BarleyNF
no factor from 2^66 to 2^67
2009-03-21David BarleyNF
no factor from 2^65 to 2^66
2009-03-19David BarleyNF
no factor from 2^64 to 2^65
2008-12-291997rj7NF
no factor from 2^63 to 2^64