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
3029857Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 271
TF target 264
TF below 2^76 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 10000000
B2 = 20148187290
ECM
DigitsB1Curves
2550000247 / 280
Estimated T-Level: 24.4 ⓘ
LL
StatusDateUserResidueShift
VerifiedMichiel van Loon03C8619CB1942A040
Verified1999-06-06Patrick Flanigan03C8619CB1942A041870796
History
DateUserTypeResult
2025-06-14JossNF-PM1
B1=10000000, B2=20148187290
2024-03-28Denial140NF-PM1
B1=33333333
2024-03-22JossNF-PM1
B1=10000000, B2=10000856250
2022-06-17mikrNF
no factor from 2^70 to 2^71
2022-02-05Gordon SpenceNF
no factor from 2^69 to 2^70
2021-03-11TJAOINF
no factor from 2^68 to 2^69
2020-04-01oodairaNF-PM1
B1=32639455, B2=1860448935, E=12
2018-07-16ramgeisNF
no factor from 2^67 to 2^68
2017-06-27mikrNF-PM1
B1=3000000, B2=100000000, E=12
2017-05-02Gordon SpenceNF
no factor from 2^66 to 2^67
2016-04-29-Anonymous-NF-PM1
B1=205000, B2=5688750, E=12
2015-06-02ThaNF
no factor from 2^65 to 2^66
2015-02-07VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-07VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2010-10-17markrNF-PM1
B1=115000, B2=2357500, E=6
2010-10-12Sid & AndyNF
no factor from 2^61 to 2^62
2009-02-02Jayson KingNF
no factor from 2^60 to 2^61