Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
3552463TF
No factors below 272
TF target 264
P-1
B1 = 6000000
B2 = 7697946102
ECM
DigitsB1Curves
2550000121 / 280
Estimated T-Level: 22.2
LL
StatusDateUserResidueShift
VerifiedBryan BeattyCBC3A2B081C0750C0
Verified1999-07-26RylanCBC3A2B081C0750C2915435
History
DateUserTypeResult
2022-10-30JossNF-PM1
B1=1000000, B2=130364850
2022-06-29mikrNF-PM1
B1=6000000, B2=7697946102
2022-04-29JossNF-PM1
B1=500000, B2=130364850
2021-10-14ArtyomPNF-PP1
Start=6/5, B1=50000, B2=2500000
2021-10-14ArtyomPNF-PP1
Start=2/7, B1=50000, B2=2500000
2021-03-20-Anonymous-NF
no factor from 2^71 to 2^72
2021-03-17-Anonymous-NF
no factor from 2^70 to 2^71
2021-03-17-Anonymous-NF
no factor from 2^69 to 2^70
2021-01-25axnNF
no factor from 2^68 to 2^69
2019-02-14YxinityNF
no factor from 2^67 to 2^68
2017-01-16Gordon 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 2^60
2016-02-16YxinityNF
no factor from 2^65 to 2^66
2015-12-17HBendtzNF-PM1
B1=500000, B2=12000000, e=12
2015-01-30VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-30VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-19JossNF-PM1
B1=96134
2014-08-11-Anonymous-NF-PM1
B1=78067
2012-06-20GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-12-02USAFSSNF-PM1
B1=60000, B2=1005000, E=6
2011-06-28Grant McCrackenNF
no factor from 2^61 to 2^62
2009-07-07Carsten KossendeyNF-PM1
B1=20000, B2=245000
2009-03-16S485122NF
no factor from 2^60 to 2^61