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
75267991TF
No factors below 276
TF target 274
P-1
B1 = 655000
B2 = 13100000
LL
StatusDateUserResidueShift
Unverified2017-07-15Evgeniy ZavialovAB858F23E1906A__16222725
History
DateUserTypeResult
2020-05-22-Anonymous-NF
no factor from 2^75 to 2^76
2017-07-15Evgeniy ZavialovC-LL
AB858F23E1906A__
2016-04-03Mark RoseNF
no factor from 2^63 to 2^64
2016-04-02Mark RoseNF
no factor from 2^64 to 2^65
2016-04-02Mark RoseNF
no factor from 2^67 to 2^68
2016-02-20Patrik JohanssonNF-PM1
B1=655000, B2=13100000, E=12
2016-02-14FredrikNF
no factor from 2^74 to 2^75
2016-02-14FredrikNF
no factor from 2^73 to 2^74
2016-02-14FredrikNF
no factor from 2^72 to 2^73
2013-12-26SMoffatNF
no factor from 2^71 to 2^72
2013-05-17-Anonymous-NF
no factor from 2^70 to 2^71
2012-12-10ArtfulDodgerNF
no factor from 2^69 to 2^70
2010-08-21Bruce AndersonNF
no factor from 2^68 to 2^69
2010-08-11Derrick ForchettiNF
no factor from 2^66 to 2^67
2010-08-06LanceNF
no factor from 2^65 to 2^66