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
5080241Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 265
P-1
B1 = 4000000
B2 = 9313940790
ECM
DigitsB1Curves
2550000116 / 280
Estimated T-Level: 22.1 ⓘ
LL
StatusDateUserResidueShift
VerifiedMartijn OttoBAD235FE8AB8D0680
Verified2000-04-05Jan IdzikowskiBAD235FE8AB8D0681175057
History
DateUserTypeResult
2022-04-30Sid & AndyNF-PM1
B1=4000000, B2=9313940790
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
2021-01-09YxinityNF
no factor from 2^68 to 2^69
2018-06-06ramgeisNF
no factor from 2^67 to 2^68
2017-03-11Squeeky_SquirrelNF-PM1
B1=305000, B2=9531250, E=12
2016-05-24Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^1 to 2^61
2015-08-03snme2pm1NF
no factor from 2^65 to 2^66
2014-09-14lycornNF
no factor from 2^64 to 2^65
2014-09-01krackerNF
no factor from 2^63 to 2^64
2009-08-17USAFSSNF-PM1
B1=55000, B2=907500, E=6
2009-08-08GrunwalderGIMPNF
no factor from 2^1 to 2^63
2008-12-30Sturle SundeNF
no factor from 2^61 to 2^62