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
69636271Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 12127500
LL
StatusDateUserResidueShift
Verified2016-10-10BobD6BFEAB7F843EEC2328966086
Verified2024-07-09Vince6BFEAB7F843EEC237818084
History
DateUserTypeResult
2024-07-09VinceC-LL
6BFEAB7F843EEC23
2016-10-10BobDC-LL
6BFEAB7F843EEC23
2016-06-03Travis Glenn RussoNF
no factor from 2^74 to 2^75
2016-03-31Mark RoseNF
no factor from 2^62 to 2^64
2015-01-18NesowaNF-PM1
B1=630000, B2=12127500
2014-09-10Kevin JagetNF
no factor from 2^73 to 2^74
2014-04-23Bill StaffenNF
no factor from 2^71 to 2^73
2013-12-26RichD0NF
no factor from 2^70 to 2^71
2013-05-08brianjslatteryNF
no factor from 2^69 to 2^70
2010-03-02bhamiNF
no factor from 2^68 to 2^69
2010-02-23Sturle SundeNF
no factor from 2^67 to 2^68
2010-02-21Sturle SundeNF
no factor from 2^66 to 2^67
2010-02-20Sturle SundeNF
no factor from 2^65 to 2^66
2010-02-19Sturle SundeNF
no factor from 2^64 to 2^65