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
30000511Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 350000
B2 = 11025000
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1
LL
StatusDateUserResidueShift
VerifiedTan Loe JooEF7A7FE395B3CBC814979455
Verified2012-06-07Sebastian HornbostelEF7A7FE395B3CBC80
History
DateUserTypeResult
2021-10-07ATHNF-PP1
Start=2/7, B1=500000, B2=11500000
2020-02-28-Anonymous-NF
no factor from 2^73 to 2^74
2019-12-29Random GPUsNF
no factor from 2^72 to 2^73
2019-08-26timbitNF-PM1
B1=350000, B2=11025000, E=12
2017-03-20mikrNF
no factor from 2^71 to 2^72
2016-08-29Bruno VictalNF
no factor from 2^70 to 2^71
2012-06-07Sebastian HornbostelC-LL
EF7A7FE395B3CBC8
2012-02-20bcp19NF
no factor from 2^69 to 2^70
2012-02-11NumberwangNF
no factor from 2^68 to 2^69