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
70081867Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 11025000
LL
StatusDateUserResidueShift
Verified2014-10-13curtisc8F88BCB323D142A723958379
Verified2024-01-27RobertKazan8F88BCB323D142A746466444
History
DateUserTypeResult
2024-01-27RobertKazanC-LL
8F88BCB323D142A7
2016-07-07monstNF
no factor from 2^74 to 2^75
2014-10-13curtiscC-LL
8F88BCB323D142A7
2014-09-05tscNF-PM1
B1=630000, B2=11025000
2014-08-29Craig MeyersNF
no factor from 2^71 to 2^74
2013-03-31BClizzleNF
no factor from 2^70 to 2^71
2009-05-12Team_DeutschlandNF
no factor to 2^70