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
40305007TF
No factors below 275
TF target 272
P-1
B1 = 1500000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2008-02-03oxcodaCDC687C6B74478685504840
Verified2017-07-11Evgeniy ZavialovCDC687C6B74478684775724
History
DateUserTypeResult
2020-10-23Sid & AndyNF
no factor from 2^74 to 2^75
2020-07-31Sid & AndyNF-PM1
B1=1500000, B2=30000000, E=12
2019-12-10Sid & AndyNF
no factor from 2^73 to 2^74
2019-10-05-Anonymous-NF
no factor from 2^72 to 2^73
2017-07-11Evgeniy ZavialovC-LL
CDC687C6B7447868
2015-03-08XyzzyNF
no factor from 2^71 to 2^72
2014-12-201997rj7NF
no factor from 2^70 to 2^71
2014-12-201997rj7NF
no factor from 2^69 to 2^70
2013-10-31Le ComteNF
no factor from 2^68 to 2^69