Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
42684949TF
No factors below 276
TF target 272
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShift
Verified2009-05-10curtiscB6623133750FBBBD27069051
Verified2016-10-08Evgeniy ZavialovB6623133750FBBBD36849774
History
DateUserTypeResult
2021-06-28-Anonymous-NF
no factor from 2^75 to 2^76
2021-05-24Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-05-12Sid & AndyNF-PM1
B1=1500000, B2=45000000
2020-01-12-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-10-08Evgeniy ZavialovC-LL
B6623133750FBBBD
2012-01-22David CampeauNF-PM1
B1=515000, B2=10300000, E=6
2012-01-15delta_tNF
no factor from 2^68 to 2^72
2009-05-10curtiscC-LL
B6623133750FBBBD