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
70796573Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13222500
LL
StatusDateUserResidueShift
Verified2016-12-22KC195EE4875E09F80322738910
Verified2024-08-19Ryan Propper195EE4875E09F80350505629
History
DateUserTypeResult
2024-08-19Ryan PropperC-LL
195EE4875E09F803
2016-12-22KCC-LL
195EE4875E09F803
2016-05-25-Anonymous-NF
no factor from 2^74 to 2^75
2014-12-06James HeinrichNF-PM1
B1=645000, B2=13222500, E=6
2014-11-23TheJudgerNF
no factor from 2^73 to 2^74
2014-11-23TheJudgerNF
no factor from 2^72 to 2^73
2014-10-18Stef42NF
no factor from 2^71 to 2^72
2014-04-16AxelssonNF
no factor from 2^70 to 2^71
2013-07-30Le ComteNF
no factor from 2^69 to 2^70
2010-06-15-Anonymous-NF
no factor from 2^68 to 2^69
2010-06-13chargerNF
no factor from 2^67 to 2^68
2010-04-03-Anonymous-NF
no factor from 2^66 to 2^67
2010-03-09biszczukNF
no factor from 2^65 to 2^66
2010-02-27-Anonymous-NF
no factor from 2^64 to 2^65
2008-11-24George WoltmanNF
no factor to 2^64
2008-11-22Wojciech FlorekNF
no factor to 2^64
2008-11-22-Anonymous-NF
no factor to 2^64