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
53972203TF
No factors below 275
TF target 273
P-1
B1 = 640000
B2 = 17760000
LL
StatusDateUserResidueShift
Verified2012-03-01-Anonymous-7ECC9BF571F427E028903866
Verified2020-07-20Dmitriy Degtiarev7ECC9BF571F427E039761983
History
DateUserTypeResult
2020-07-20Dmitriy DegtiarevC-LL
7ECC9BF571F427E0
2020-06-24-Anonymous-NF
no factor from 2^74 to 2^75
2019-05-26TheJudgerNF
no factor from 2^73 to 2^74
2016-02-08AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2012-03-01-Anonymous-C-LL
7ECC9BF571F427E0
2011-09-08XyzzyNF
no factor from 2^70 to 2^71
2011-05-12Tom DuellNF
no factor from 2^69 to 2^70
2011-04-23eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2011-04-20rx7350NF-PM1
B1=640000, B2=17760000
2009-05-17aEricNF
no factor from 2^67 to 2^68
2009-05-13PrimeCruncherNF
no factor from 2^66 to 2^67
2009-05-12PrimeCruncherNF
no factor from 2^65 to 2^66
2009-03-11subgeniusNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64