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
56875921TF
No factors below 276
TF target 273
P-1
B1 = 570000
B2 = 12397500
LL
StatusDateUserResidueShift
Verified2013-08-19Ari Mäkinen29EA4CD9AF55EDFF11216580
Verified2020-06-28manrus29EA4CD9AF55EDFF54855425
History
DateUserTypeResult
2020-11-07-Anonymous-NF
no factor from 2^75 to 2^76
2020-10-18-Anonymous-NF
no factor from 2^74 to 2^75
2020-06-28manrusC-LL
29EA4CD9AF55EDFF
2018-11-28ChuckNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2016-01-22-Anonymous-NF
no factor from 2^72 to 2^73
2013-08-19Ari MäkinenC-LL
29EA4CD9AF55EDFF
2012-08-31Jerry HallettNF-PM1
B1=570000, B2=12397500, E=12
2012-03-08Craig MeyersNF
no factor from 2^70 to 2^72
2011-06-16hansstNF
no factor from 2^69 to 2^70
2011-04-21dslNF
no factor from 2^68 to 2^69
2009-11-20Sturle SundeNF
no factor from 2^67 to 2^68
2008-08-31Sturle SundeNF
no factor from 2^66 to 2^67
2008-08-31Sturle SundeNF
no factor from 2^65 to 2^66
2008-08-30Sturle SundeNF
no factor from 2^64 to 2^65
2008-08-28Sturle SundeNF
no factor from 2^63 to 2^64