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
39978229TF
No factors below 274
TF target 272
P-1
B1 = 410000
B2 = 3382500
LL
StatusDateUserResidueShift
Verified2008-04-25Yu Peng ChenBE03A5806CF441DE15144641
Verified2017-05-03Dmitriy DegtiarevBE03A5806CF441DE2682183
History
DateUserTypeResult
2020-01-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-04-02monstNF
no factor from 2^71 to 2^72
2017-05-03Dmitriy DegtiarevC-LL
BE03A5806CF441DE
2014-12-16ktonyNF
no factor from 2^70 to 2^71
2014-12-16ktonyNF
no factor from 2^69 to 2^70
2013-10-07Le ComteNF
no factor from 2^68 to 2^69