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
34471891Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 430000
B2 = 12577500
LL
StatusDateUserResidueShift
Verified2007-03-04Greg PomaD6B9B104AC863E273806587
Verified2015-04-03firereddD6B9B104AC863E2714831916
History
DateUserTypeResult
2021-10-20Sid & AndyNF
no factor from 2^74 to 2^75
2020-03-06-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-23LaurVNF
no factor from 2^72 to 2^73
2019-10-23LaurVNF
no factor from 2^71 to 2^72
2015-04-03firereddC-LL
D6B9B104AC863E27
2014-02-03Jerry HallettNF
no factor from 2^70 to 2^71
2012-08-28NumberwangNF
no factor from 2^69 to 2^70
2012-08-28NumberwangNF
no factor from 2^68 to 2^69
2012-02-29Carsten KossendeyNF
no factor from 2^67 to 2^68