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
58575599TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11275000
LL
StatusDateUserResidueShift
Verified2015-07-23GrunwalderGIMP42E6FC05997D4EEA57580410
Verified2021-01-11Sergey Nosov42E6FC05997D4EEA4483938
History
DateUserTypeResult
2021-01-11Sergey NosovC-LL
42E6FC05997D4EEA
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-07-23GrunwalderGIMPC-LL
42E6FC05997D4EEA
2015-01-27monstNF
no factor from 2^73 to 2^74
2012-11-08owftheevilNF-PM1
B1=550000, B2=11275000, E=12
2012-10-15BdotNF
no factor from 2^72 to 2^73
2012-07-10bcp19NF
no factor from 2^71 to 2^72
2011-10-05dmaineNF
no factor from 2^70 to 2^71
2011-05-01Paul LeylandNF
no factor from 2^69 to 2^70
2009-06-09SAHS Tech DeptNF
no factor from 2^68 to 2^69
2008-11-02KYOJI_KAMEINF
no factor from 2^67 to 2^68
2008-11-02KYOJI_KAMEINF
no factor from 2^66 to 2^67
2008-11-02KYOJI_KAMEINF
no factor from 2^65 to 2^66
2008-11-01KYOJI_KAMEINF
no factor from 2^64 to 2^65
2008-10-31KYOJI_KAMEINF
no factor from 2^63 to 2^64