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
42654809TF
No factors below 276
TF target 272
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShift
Verified2008-10-05oxcoda87A004E063BE39C432534828
Verified2016-10-03Evgeniy Zavialov87A004E063BE39C47419744
History
DateUserTypeResult
2021-06-28-Anonymous-NF
no factor from 2^75 to 2^76
2021-06-14Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-03-29Sid & AndyNF-PM1
B1=1500000, B2=45000000
2020-01-11-Anonymous-NF
no factor from 2^73 to 2^74
2018-09-08LaurVNF
no factor from 2^72 to 2^73
2016-10-03Evgeniy ZavialovC-LL
87A004E063BE39C4
2015-08-31-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-27Mark RoseNF
no factor from 2^70 to 2^71
2014-05-01Grant McCrackenNF
no factor from 2^69 to 2^70
2014-02-17Grant McCrackenNF
no factor from 2^68 to 2^69