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

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MnStatusDetails
55257583Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
267456292025087234259292374.52023-05-20 04:24:26
LL
StatusDateUserResidueShift
Verified (Factored)2012-10-20-Anonymous-4F883F3D2FA0A0DC46147972
Verified (Factored)2020-06-11Roland Clarkson4F883F3D2FA0A0DC0
History
DateUserTypeResult
2023-05-20Smok_bmv F
Factor: 26745629202508723425929 / TF: 74-75*
2020-06-11Roland ClarksonC-LL
4F883F3D2FA0A0DC
2019-03-21Luigi MorelliNF
no factor from 2^73 to 2^74
2016-01-29-Anonymous-NF
no factor from 2^72 to 2^73
2012-10-20-Anonymous-C-LL
4F883F3D2FA0A0DC
2012-08-23GrunwalderGIMPNF-PM1
B1=535000, B2=9496250
2012-08-19BdotNF
no factor from 2^71 to 2^72
2011-06-13shaugeNF
no factor from 2^70 to 2^71
2011-06-13shaugeNF
no factor from 2^69 to 2^70
2011-04-11Pool PartyNF
no factor from 2^68 to 2^69
2009-07-17roemer2201NF
no factor from 2^67 to 2^68
2009-03-13HighFlyingPrimesNF
no factor from 2^66 to 2^67
2009-03-11HighFlyingPrimesNF
no factor from 2^65 to 2^66
2009-03-09HighFlyingPrimesNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64