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
68874199Composite: proven not-prime with both PRP and Lucas-Lehmer tests
TF
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 12915000
LL
StatusDateUserResidueShift
Verified2016-04-17goldenmemeEAAB1542126D705359688875
Verified2024-08-07drewEAAB1542126D705358181917
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-02Jon Nordstrand/aristo409C344A52A47162013
History
DateUserTypeResult
2024-08-07drewC-LL
EAAB1542126D7053
2024-08-02FlyingEagleCERT
PRP Certification
CERT proof power = 10
Proof certified good
2024-08-02Jon Nordstrand/aristoC-PRP
409C344A52A47162
PRP proof power = 10
PRP: Verified
Proof certified good
2016-04-17goldenmemeC-LL
EAAB1542126D7053
2016-03-12FredrikNF
no factor from 2^74 to 2^75
2014-05-27ScratchNF-PM1
B1=630000, B2=12915000, E=12
2014-03-24kdgehmanNF
no factor from 2^73 to 2^74
2014-03-24kdgehmanNF
no factor from 2^72 to 2^73
2014-03-24kdgehmanNF
no factor from 2^71 to 2^72
2012-09-30Cow_tippingNF
no factor from 2^70 to 2^71
2012-03-12Net_ForceNF
no factor from 2^69 to 2^70
2010-06-21Kelly LowderNF
no factor from 2^68 to 2^69
2010-06-13Robert WalkerNF
no factor from 2^67 to 2^68
2010-01-30eon_blue_apocalypseNF
no factor from 2^66 to 2^67
2010-01-28bzmNF
no factor from 2^65 to 2^66
2010-01-26johnniekNF
no factor from 2^64 to 2^65
2009-01-061997rj7NF
no factor to 2^64