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
41931509TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-06-22C. Cooper / S. Boone49BFE03F3061308322608853
Verified2017-10-02Richard_Otter49BFE03F306130831288513
History
DateUserTypeResult
2020-01-19-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-10-02Richard_OtterC-LL
49BFE03F30613083
2015-09-14AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-24Mark RoseNF
no factor from 2^70 to 2^71
2015-01-11BdotNF
no factor from 2^69 to 2^70