Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
3667249Factored343439538302947378252521531857403032501081
LL
StatusDateUserResidueShift
Verified (Factored)Wojciech Florek1945115FECC47FDE0
Verified (Factored)1999-09-22Douglas Sykora1945115FECC47FDE2859677
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2020-10-11kutensE07E900B3AD087FE1143816853
Verified (Factored)2020-10-10tottenhoffE07E900B3AD087FE1265470853
History
DateUserTypeResult
2020-10-11curtiscCERTPRP Certification
2020-10-11kutensC-PRPM3667249/343439538302947378252521531857403032501081 : E07E900B3AD087FE
2020-10-10tottenhoffC-PRPM3667249/343439538302947378252521531857403032501081 : E07E900B3AD087FE
2020-10-10axnF-PM1Factor: 343439538302947378252521531857403032501081 / (P-1, B1=30000000, B2=600000000, E=12)
2018-11-26TJAOINFno factor from 2^67 to 2^68
2017-02-12Jocelyn LaroucheNF-PM1B1=241228, B2=2412280, E=6
2017-01-29Jocelyn LaroucheNF-PM1B1=167520
2017-01-03Gordon SpenceNFno factor from 2^66 to 2^67
2016-12-30Jocelyn LaroucheNF-PM1B1=129600
2016-12-24Jocelyn LaroucheNF-PM1B1=108000
2016-10-02Jocelyn LaroucheNF-PM1B1=90000, B2=3942000
2016-06-22Jocelyn LaroucheNF-PM1B1=90000, B2=3285000, E=6
2016-02-23Mark RoseNFno factor from 2^1 to 2^60
2016-02-23Mark RoseNFno factor from 2^62 to 2^63
2015-10-19ramgeisNFno factor from 2^65 to 2^66
2015-01-23VictordeHollanderNFno factor from 2^64 to 2^65
2015-01-23VictordeHollanderNFno factor from 2^63 to 2^64
2012-06-05GrunwalderGIMPNFno factor from 2^1 to 2^63
2012-02-06Squeeky_SquirrelNF-PM1B1=90000, B2=1642500, E=6
2011-06-08Grant McCrackenNFno factor from 2^61 to 2^62
2009-07-11Carsten KossendeyNF-PM1B1=20000, B2=260000
2009-03-09S485122NFno factor from 2^60 to 2^61
1999-09-22-Anonymous-C-LL1945115FECC47FDE