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
50880457TF
No factors below 274
TF target 273
P-1
B1 = 605000
B2 = 18150000
LL
StatusDateUserResidueShift
Verified2012-03-21Pavel BogdanovFD0A5CAC4F8764B210902930
Verified2020-03-30Sergey NosovFD0A5CAC4F8764B223153019
History
DateUserTypeResult
2020-03-30Sergey NosovC-LL
FD0A5CAC4F8764B2
2018-10-08Mark RoseNF
no factor from 2^73 to 2^74
2015-12-17AirSquirrelsNF
no factor from 2^72 to 2^73
2012-03-21Pavel BogdanovC-LL
FD0A5CAC4F8764B2
2012-02-16GregNF
no factor from 2^71 to 2^72
2012-02-16GregNF
no factor from 2^70 to 2^71
2011-08-05Roy OswaldNF
no factor from 2^69 to 2^70
2009-08-23lindedNF
no factor from 2^68 to 2^69
2009-08-20lindedNF-PM1
B1=605000, B2=18150000, E=6
2009-08-02Sturle SundeNF
no factor from 2^67 to 2^68
2009-02-22korvaNF
no factor from 2^66 to 2^67
2009-02-20korvaNF
no factor from 2^65 to 2^66
2009-02-17korvaNF
no factor from 2^64 to 2^65
2008-09-25DerekNF
no factor to 2^64