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
42419983TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-10-15Ahmer Ali9F8B988610BC43567206551
Verified2017-04-13LasseDemigo9F8B988610BC435610310979
History
DateUserTypeResult
2022-04-10TheJudgerNF
no factor from 2^73 to 2^74
2022-04-10TheJudgerNF
no factor from 2^72 to 2^73
2017-04-13LasseDemigoC-LL
9F8B988610BC4356
2015-08-28-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-31Mark RoseNF
no factor from 2^70 to 2^71
2015-02-15krackerNF
no factor from 2^69 to 2^70