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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MnStatusDetails
1824749Factored
FactorDigitsBitsDate
1082192125175324908615932476.52017-11-29 16:16:02
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ken KrieselA0734F972F8E12CB0
Verified (Factored)1999-02-21David PhillipsA0734F972F8E12CB1091035
Verified (Factored)2015-07-18MadPooA0734F972F8E12CB1025056
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-12-01kkmrkkblmbrbk7F82A15798B7C9BE1162525453
Verified2017-12-01Oliver Kruse7F82A15798B7C9BE158402153
History
DateUserTypeResult
2017-12-01Oliver KruseC-PRP
M1824749/108219212517532490861593 : 7F82A15798B7C9BE
PRP: Verified
PRP without proof (not generated)
2017-12-01kkmrkkblmbrbkC-PRP
M1824749/108219212517532490861593 : 7F82A15798B7C9BE
PRP: Verified
PRP without proof (not generated)
2017-11-29bamF-ECM
Factor: 108219212517532490861593 / (ECM curve 2, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-09-03ramgeisNF
no factor from 2^65 to 2^66
2015-07-18MadPooC-LL
A0734F972F8E12CB
2015-06-12mikrNF-PM1
B1=2780000, B2=91760000, E=12
2015-04-25snme2pm1NF
no factor from 2^64 to 2^65
2015-04-25snme2pm1NF
no factor from 2^63 to 2^64
2014-09-22JossNF-PM1
B1=170348
2014-05-19JossNF-PM1
B1=135174
2011-02-07Carsten KossendeyNF-PM1
B1=100000, B2=1675000, E=6
2011-01-21GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-11Architects CubedNF
no factor from 2^60 to 2^61