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
69255337Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 770000
B2 = 20212500
LL
StatusDateUserResidueShift
Verified2015-12-05Six Blue Boxes5DD43C983A6895EE8903548
Verified2023-09-22Ryan Propper5DD43C983A6895EE37640721
History
DateUserTypeResult
2023-09-22Ryan PropperC-LL
5DD43C983A6895EE
2016-03-30Mark RoseNF
no factor from 2^63 to 2^64
2016-03-29Mark RoseNF
no factor from 2^64 to 2^65
2015-12-05Six Blue BoxesC-LL
5DD43C983A6895EE
2015-07-26ChuckNF
no factor from 2^74 to 2^75
2014-05-25BdotNF
no factor from 2^73 to 2^74
2014-05-23AxelssonNF
no factor from 2^72 to 2^73
2014-05-23AxelssonNF
no factor from 2^71 to 2^72
2013-12-05timc995NF-PM1
B1=770000, B2=20212500, E=12
2012-10-01[DPC] hansRNF
no factor from 2^70 to 2^71
2012-05-04Dr. NowakNF
no factor from 2^69 to 2^70
2010-02-20Sturle SundeNF
no factor from 2^68 to 2^69
2010-02-18Bo Gyu JeongNF
no factor from 2^67 to 2^68
2010-02-07ScotchNF
no factor from 2^66 to 2^67
2008-06-12Sturle SundeNF
no factor from 2^65 to 2^66