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
69201031Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 13072500
LL
StatusDateUserResidueShift
Verified2014-03-05FCG PrimesB9B768AE4CF9857F39586593
Verified2024-08-07David BarinaB9B768AE4CF9857F30344625
History
DateUserTypeResult
2024-08-07David BarinaC-LL
B9B768AE4CF9857F
2019-06-03NesowaNF
no factor from 2^74 to 2^75
2016-03-30Mark RoseNF
no factor from 2^63 to 2^64
2016-03-29Mark RoseNF
no factor from 2^64 to 2^66
2014-03-05FCG PrimesC-LL
B9B768AE4CF9857F
2013-11-24NesowaNF-PM1
B1=630000, B2=13072500, E=12
2013-11-20NesowaNF
no factor from 2^73 to 2^74
2013-11-20NesowaNF
no factor from 2^72 to 2^73
2013-11-20NesowaNF
no factor from 2^71 to 2^72
2013-05-06Lukin DmitryNF
no factor from 2^70 to 2^71
2012-02-08Simon HarrisonNF
no factor from 2^69 to 2^70
2010-04-22ITSNF
no factor from 2^68 to 2^69
2010-04-19ITSNF
no factor from 2^67 to 2^68
2010-04-15Risto A. PajuNF
no factor from 2^66 to 2^67