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
2002459Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 262
TF below 2^82 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 14700000
B2 = 45326711430
ECM
DigitsB1Curves
2550000280 / 280
30250000155 / 640
Estimated T-Level: 26.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedBrian DohertyB2907A8586B802C60
Verified1999-01-29John DilickB2907A8586B802C61779576
Verified2015-10-28MadPooB2907A8586B802C6217266
History
DateUserTypeResult
2023-07-31Sid & AndyNF-PM1
B1=14700000, B2=45326711430
2023-02-06JossNF-PM1
B1=1000000, B2=4466940660
2022-10-10NumberwangNF-PM1
B1=190000, B2=1952179320
2022-05-26NumberwangNF-PM1
B1=1000000, B2=30000000
2021-10-23mikrNF-PP1
Start=90/53, B1=30000000, B2=1620000000
2019-12-03mikrNF
no factor from 2^71 to 2^72
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-12-17ramgeisNF
no factor from 2^70 to 2^71
2015-10-28MadPooC-LL
B2907A8586B802C6
2015-09-02BloodIceNF-PM1
B1=200000000
2015-08-31BloodIceNF-PM1
B1=80000000
2014-03-08Never Odd Or EvenNF
no factor from 2^69 to 2^70
2014-03-08Never Odd Or EvenNF
no factor from 2^68 to 2^69
2014-03-08Never Odd Or EvenNF
no factor from 2^67 to 2^68
2014-03-08Never Odd Or EvenNF
no factor from 2^66 to 2^67
2014-03-08Never Odd Or EvenNF
no factor from 2^65 to 2^66
2014-01-01BloodIceNF
no factor from 2^64 to 2^65
2014-01-01BloodIceNF
no factor from 2^63 to 2^64
2013-10-07David CampeauNF-PM1
B1=580000, B2=15080000, E=12
2013-02-03dbaughNF
no factor from 2^62 to 2^63
2011-12-23Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-11-23JossNF-PM1
B1=200245
2009-01-02Sturle SundeNF
no factor from 2^60 to 2^61