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
42431399TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2009-12-22ahmeraliBDE0966E97FE95CD40595709
Verified2017-10-26Shane RBDE0966E97FE95CD29994927
History
DateUserTypeResult
2022-04-10TheJudgerNF
no factor from 2^73 to 2^74
2022-04-10TheJudgerNF
no factor from 2^72 to 2^73
2017-10-26Shane RC-LL
BDE0966E97FE95CD
2015-08-28-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-21David CampeauNF
no factor from 2^70 to 2^71
2015-02-09chalsallNF
no factor from 2^69 to 2^70
2009-12-22ahmeraliC-LL
BDE0966E97FE95CD
2009-11-17ahmeraliNF-PM1
B1=380000, B2=1900000
2009-11-15ahmeraliNF
no factor to 2^69