Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
345678877TF
No factors below 281
TF target 281
P-1
B1 = 3325000
B2 = 80631250
LL
StatusDateUserResidueShift
Verified2012-11-29Ake Tilander6BAACCA0093E2F58280098112
Verified2014-08-09LaurV6BAACCA0093E2F585773
History
DateUserTypeResult
2023-02-06Mark RoseNF
no factor from 2^80 to 2^81
2019-11-21wazumaNF
no factor from 2^1 to 2^68
2014-08-09LaurVC-LL
6BAACCA0093E2F58
2012-11-29Ake TilanderC-LL
6BAACCA0093E2F58
2012-08-22Ake TilanderNF
no factor from 2^79 to 2^80
2012-08-15Ake TilanderNF
no factor from 2^78 to 2^79
2009-12-06GimarelNF
no factor from 2^77 to 2^78
2009-09-03GimarelNF-PM1
B1=3325000, B2=80631250
2009-07-19GimarelNF
no factor from 2^76 to 2^77
2009-06-25GimarelNF
no factor from 2^75 to 2^76
2009-06-13GimarelNF
no factor from 2^74 to 2^75
2009-06-08GimarelNF
no factor from 2^73 to 2^74
2009-06-05GimarelNF
no factor from 2^72 to 2^73
2009-06-03GimarelNF
no factor from 2^71 to 2^72
2009-06-03GimarelNF
no factor from 2^70 to 2^71
2009-06-02GimarelNF
no factor from 2^69 to 2^70
2009-06-02GimarelNF
no factor from 2^68 to 2^69