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
56546587TF
No factors below 274
TF target 273
P-1
B1 = 605000
B2 = 14066250
LL
StatusDateUserResidueShift
Verified2012-06-26curtisc55D2D75C71BFF23428500511
Verified2020-12-20Dmitriy Degtiarev55D2D75C71BFF23456194093
History
DateUserTypeResult
2020-12-20Dmitriy DegtiarevC-LL
55D2D75C71BFF234
2018-10-24ChuckNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2016-01-08-Anonymous-NF
no factor from 2^72 to 2^73
2012-06-26curtiscC-LL
55D2D75C71BFF234
2012-05-14Craig MeyersNF
no factor from 2^71 to 2^72
2012-03-26Patrik JohanssonNF-PM1
B1=605000, B2=14066250, E=6
2011-09-12saklarNF
no factor from 2^70 to 2^71
2011-06-15XyzzyNF
no factor from 2^69 to 2^70
2011-04-14-Anonymous-NF
no factor from 2^68 to 2^69
2009-05-24curtiscNF
no factor from 2^67 to 2^68
2008-03-23Sturle SundeNF
no factor from 2^66 to 2^67
2008-03-23arnaudNF
no factor from 2^65 to 2^66
2008-03-22Sturle SundeNF
no factor from 2^64 to 2^65