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
30001669Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 1616000
B2 = 1504494810
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
VerifiedMatt Rich5B9820C89A4B3E0F1712626
Verified2012-09-01ebravick5B9820C89A4B3E0F20226584
History
DateUserTypeResult
2024-09-01tscNF-PM1
B1=1616000, B2=1504494810
2021-10-09ATHNF-PP1
Start=2/7, B1=500000, B2=11500000
2020-02-28-Anonymous-NF
no factor from 2^73 to 2^74
2020-01-07Random GPUsNF
no factor from 2^72 to 2^73
2017-03-31mikrNF
no factor from 2^71 to 2^72
2016-08-30Bruno VictalNF
no factor from 2^70 to 2^71
2012-09-01ebravickC-LL
5B9820C89A4B3E0F
2012-02-22bcp19NF
no factor from 2^69 to 2^70
2012-02-11NumberwangNF
no factor from 2^68 to 2^69