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
5003813Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 265
P-1
B1 = 4000000
B2 = 8989970220
ECM
DigitsB1Curves
2550000130 / 280
Estimated T-Level: 22.3 ⓘ
LL
StatusDateUserResidueShift
VerifiedJerald BrodkeyD5ABD911D1B72E3C0
Verified2000-04-19Louis TowlesD5ABD911D1B72E3C469
History
DateUserTypeResult
2022-04-19Sid & AndyNF-PM1
B1=4000000, B2=8989970220
2021-10-14ATHNF-PP1
Start=2/7, B1=1000000, B2=30000000
2021-04-05-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-03-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-01-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-01-Anonymous-NF
no factor from 2^69 to 2^70
2021-03-01TJAOINF
no factor from 2^68 to 2^69
2018-05-14mikrNF-PM1
B1=3600000, B2=120000000, E=12
2017-10-08mikrNF
no factor from 2^67 to 2^68
2017-02-12Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-13Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^63
2015-04-20Gordon SpenceNF
no factor from 2^65 to 2^66
2014-08-29lycornNF
no factor from 2^64 to 2^65
2014-08-29krackerNF
no factor from 2^63 to 2^64
2013-05-10Squeeky_SquirrelNF-PM1
B1=85000, B2=1508750, E=6
2009-07-08USAFSSNF-PM1
B1=55000, B2=907500, E=6