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
42678529TF
No factors below 276
TF target 272
P-1
B1 = 520000
B2 = 15210000
LL
StatusDateUserResidueShift
Verified2009-10-21ANONYMOUS68C5F268523923B530231367
Verified2016-10-04Evgeniy Zavialov68C5F268523923B5514990
History
DateUserTypeResult
2021-06-28-Anonymous-NF
no factor from 2^75 to 2^76
2021-06-02Yves de WandelaarNF
no factor from 2^74 to 2^75
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-10-04Evgeniy ZavialovC-LL
68C5F268523923B5
2015-09-01-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-09Mark RoseNF
no factor from 2^70 to 2^71
2014-06-17Grant McCrackenNF
no factor from 2^69 to 2^70
2014-01-04LaurVNF
no factor from 2^68 to 2^69
2009-10-21ANONYMOUSC-LL
68C5F268523923B5
2009-07-19ANONYMOUSNF-PM1
B1=520000, B2=15210000