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
41721709TF
No factors below 276
TF target 272
P-1
B1 = 500000
B2 = 13500000
LL
StatusDateUserResidueShift
Bad2008-03-05Ovidiu IorgaFBDBE7865EC5DC7123843237
Verified2009-04-19G-Funk43A22E230A371E2721934646
Verified2016-03-25Flame8843A22E230A371E2722374579
History
DateUserTypeResult
2021-02-12-Anonymous-NF
no factor from 2^75 to 2^76
2021-02-07-Anonymous-NF
no factor from 2^74 to 2^75
2019-12-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2016-03-25Flame88C-LL
43A22E230A371E27
2015-07-25GregNF
no factor from 2^71 to 2^72
2015-01-18srow7NF
no factor from 2^70 to 2^71
2015-01-04BdotNF
no factor from 2^69 to 2^70
2014-02-21LaurVNF
no factor from 2^68 to 2^69
2009-04-19G-FunkC-LL
43A22E230A371E27