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
49018031TF
No factors below 273
TF target 273
P-1
B1 = 570000
B2 = 15390000
LL
StatusDateUserResidueShift
Verified2010-01-29eipi226EFEC809611DA76137820
Verified2017-09-29Evgeniy Zavialov226EFEC809611DA715912988
History
DateUserTypeResult
2017-09-29Evgeniy ZavialovC-LL
226EFEC809611DA7
2017-09-18-Anonymous-NF
no factor from 2^72 to 2^73
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-20Mark RoseNF
no factor from 2^70 to 2^71
2015-07-24Gordon SpenceNF
no factor from 2^69 to 2^70
2010-01-29eipiC-LL
226EFEC809611DA7
2009-12-29eipiNF-PM1
B1=570000, B2=15390000, E=6
2008-06-03-Anonymous-NF
no factor to 2^64