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
52912241TF
No factors below 276
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2013-10-31George Woltman256810D0A405F9C61598706
Verified2020-03-07frolyar256810D0A405F9C641319774
History
DateUserTypeResult
2020-06-21-Anonymous-NF
no factor from 2^75 to 2^76
2020-06-19-Anonymous-NF
no factor from 2^74 to 2^75
2020-03-07frolyarC-LL
256810D0A405F9C6
2019-05-21krackerNF
no factor from 2^73 to 2^74
2018-06-06Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=6
2016-02-09AirSquirrelsNF
no factor from 2^72 to 2^73
2013-10-31George WoltmanC-LL
256810D0A405F9C6
2012-04-01GregNF
no factor from 2^71 to 2^72
2012-04-01GregNF
no factor from 2^70 to 2^71
2012-04-01GregNF
no factor from 2^69 to 2^70
2011-06-29-Anonymous-NF-PM1
B1=860000
2009-03-08kevshawNF
no factor to 2^69
2008-11-13DerekNF
no factor to 2^64