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
70819223Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13383750
LL
StatusDateUserResidueShift
Verified2016-12-30ShnobelF206E61EE575961F26707408
Verified2024-09-15Dan NissenF206E61EE575961F33531690
History
DateUserTypeResult
2024-09-15Dan NissenC-LL
F206E61EE575961F
2016-12-30ShnobelC-LL
F206E61EE575961F
2016-05-16-Anonymous-NF
no factor from 2^74 to 2^75
2014-12-07TheJudgerNF-PM1
B1=645000, B2=13383750, E=12
2014-11-23TheJudgerNF
no factor from 2^73 to 2^74
2014-11-23TheJudgerNF
no factor from 2^72 to 2^73
2014-10-19LaurVNF
no factor from 2^71 to 2^72
2013-07-13tmorrowNF
no factor from 2^70 to 2^71
2012-11-08-Anonymous-NF
no factor from 2^69 to 2^70
2010-08-04tmorrowNF
no factor from 2^68 to 2^69
2010-08-02tmorrowNF
no factor from 2^67 to 2^68
2010-07-30tmorrowNF
no factor from 2^66 to 2^67
2010-07-28tmorrowNF
no factor from 2^65 to 2^66
2010-02-28mpNF
no factor from 2^64 to 2^65
2008-11-19Wojciech FlorekNF
no factor to 2^64