Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
74574949TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12400000
LL
StatusDateUserResidueShift
Unverified2016-04-20d3zorg78DABD8679A75F__72946255
History
DateUserTypeResult
2016-04-20d3zorgC-LL
78DABD8679A75F__
2016-04-02Mark RoseNF
no factor from 2^57 to 2^64
2015-11-24James HeinrichNF-PM1
B1=620000, B2=12400000, E=6
2015-11-12FredrikNF
no factor from 2^74 to 2^75
2015-11-12FredrikNF
no factor from 2^73 to 2^74
2015-10-23Judge HaleNF
no factor from 2^72 to 2^73
2015-08-23ChuckNF
no factor from 2^71 to 2^72
2012-12-08SMoffatNF
no factor from 2^70 to 2^71
2012-10-19SMoffatNF
no factor from 2^69 to 2^70
2010-11-29PaulNF
no factor from 2^68 to 2^69
2010-11-23alegNF
no factor from 2^67 to 2^68
2010-11-18alegNF
no factor from 2^66 to 2^67
2010-09-12Geoff WingNF
no factor from 2^65 to 2^66
2010-09-09zulianNF
no factor from 2^64 to 2^65