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
50727221TF
No factors below 274
TF target 273
P-1
B1 = 605000
B2 = 18603750
LL
StatusDateUserResidueShift
Verified2012-11-22cunningmattDE4AE84CED6C788F27178318
Verified2020-02-27Sergey NosovDE4AE84CED6C788F49290754
History
DateUserTypeResult
2020-02-27Sergey NosovC-LL
DE4AE84CED6C788F
2019-06-02TheJudgerNF
no factor from 2^73 to 2^74
2015-12-15AirSquirrelsNF
no factor from 2^72 to 2^73
2012-11-22cunningmattC-LL
DE4AE84CED6C788F
2012-01-10ChuckNF
no factor from 2^71 to 2^72
2012-01-10ChuckNF
no factor from 2^70 to 2^71
2012-01-10ChuckNF
no factor from 2^69 to 2^70
2009-06-21Son JohanNF
no factor from 2^68 to 2^69
2009-04-07PiepenNF
no factor from 2^67 to 2^68
2009-04-03TheJudgerNF-PM1
B1=605000, B2=18603750
2009-02-23BrightSpotNF
no factor from 2^66 to 2^67
2009-02-17BrightSpotNF
no factor from 2^65 to 2^66
2009-02-12BrightSpotNF
no factor from 2^64 to 2^65
2008-09-15DerekNF
no factor to 2^64