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
56294923TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 12147500
LL
StatusDateUserResidueShift
Verified2013-11-12mf_gh638F9E87D9C8B0C335837313
Verified2021-03-22Dmitriy Degtiarev638F9E87D9C8B0C324368758
History
DateUserTypeResult
2021-03-22Dmitriy DegtiarevC-LL
638F9E87D9C8B0C3
2019-02-03TheJudgerNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2015-12-28-Anonymous-NF
no factor from 2^72 to 2^73
2013-11-12mf_ghC-LL
638F9E87D9C8B0C3
2012-08-01XyzzyNF-PM1
B1=565000, B2=12147500, E=6
2012-05-10Craig MeyersNF
no factor from 2^71 to 2^72
2012-02-25Kyle AskineNF
no factor from 2^70 to 2^71
2011-12-12Tom DuellNF
no factor from 2^69 to 2^70
2011-11-07rduerrNF
no factor from 2^68 to 2^69
2009-05-23arnaudNF
no factor from 2^67 to 2^68
2008-07-16Sturle SundeNF
no factor from 2^66 to 2^67
2008-07-15Sturle SundeNF
no factor from 2^65 to 2^66
2008-07-14Sturle SundeNF
no factor from 2^64 to 2^65
2008-07-14Sturle SundeNF
no factor from 2^63 to 2^64