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
42395753TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-05-10Ahmer Ali1BE73D783A924B5C4015642
Verified2018-01-12Mark Rose1BE73D783A924B5C19283537
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2018-01-12Mark RoseC-LL
1BE73D783A924B5C
2015-11-21AirSquirrelsNF
no factor from 2^71 to 2^72
2015-04-07krackerNF
no factor from 2^70 to 2^71
2015-02-08chalsallNF
no factor from 2^69 to 2^70