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
7202413Composite: 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
VerifiedPaul Victor Novarese233718553E0E1B610
Verified1999-05-09Albrecht Heeffer233718553E0E1B613002307
History
DateUserTypeResult
2022-12-01yoyorocks1NF-PM1
B1=3100000, B2=2452236150
2021-12-25-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-30SRBaseNF
no factor from 2^71 to 2^72
2021-09-07SRBaseNF
no factor from 2^70 to 2^71
2021-08-23SRBaseNF
no factor from 2^69 to 2^70
2021-06-09Dylan DelgadoNF-PM1
B1=630000, B2=18900000, e=12
2020-05-01TJAOINF
no factor from 2^68 to 2^69
2020-01-15storm5510NF-PM1
B1=385000, B2=8470000, E=12
2018-07-22ramgeisNF
no factor from 2^67 to 2^68
2016-10-10Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-12VictordeHollanderNF
no factor from 2^65 to 2^66
2013-11-13David CampeauNF
no factor from 2^64 to 2^65
2013-11-03NesowaNF
no factor from 2^63 to 2^64
2012-07-07NesowaNF-PM1
B1=85000, B2=1593750, E=6
2009-08-12Carsten KossendeyNF-PM1
B1=40000, B2=610000, E=4