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
7295143Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 267
P-1
B1 = 3100000
B2 = 2452236150
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified2000-04-27Benjamin Winkler0850DAE5826518475573417
Verified2002-04-07Ashley0850DAE5826518476639850
History
DateUserTypeResult
2023-01-29yoyorocks1NF-PM1
B1=3100000, B2=2452236150
2021-12-25-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-28SRBaseNF
no factor from 2^71 to 2^72
2021-08-31SRBaseNF
no factor from 2^70 to 2^71
2021-08-19SRBaseNF
no factor from 2^69 to 2^70
2020-03-14GdSNF-PM1
B1=777023, B2=15540452, E=12
2020-03-06TJAOINF
no factor from 2^68 to 2^69
2020-03-02GdSNF-PM1
B1=310809, B2=6216181, E=12
2018-07-22ramgeisNF
no factor from 2^67 to 2^68
2016-10-19Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-16VictordeHollanderNF
no factor from 2^65 to 2^66
2013-11-12David CampeauNF
no factor from 2^64 to 2^65
2012-09-01Squeeky_SquirrelNF-PM1
B1=90000, B2=1620000, E=6
2012-03-09David CampeauNF
no factor from 2^63 to 2^64