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
1804093Factored
FactorDigitsBitsDate
145160438191427439929212373.62017-04-21 05:04:43
1404926996961587431520172476.92021-01-08 11:40:05
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)Robert Clark93B4094088B5F00D0
Verified (Factored)1998-12-27Bill Sturrock93B4094088B5F00D1373105
Verified (Factored)2015-07-01MadPoo93B4094088B5F00D233965
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-03Oliver Kruse698EAA401FC6CDD81013
Verified (Factored)2017-11-05kkmrkkblmbrbk698EAA401FC6CDD815062813
Verified2021-01-08SRJ28775306867F817D90332125032253
History
DateUserTypeResult
2021-01-08Logan8CERT
PRP Certification
Proof certified good
2021-01-08SRJ2877C-PRP
M1804093/14516043819142743992921/140492699696158743152017 : 5306867F817D9033
PRP proof power = 7
PRP: Verified
Proof certified good
2021-01-08TJAOIF-ECM
Factor: 140492699696158743152017 / (ECM curve 142, B1=50000, B2=5000000)
2017-11-05kkmrkkblmbrbkC-PRP
M1804093/14516043819142743992921 : 698EAA401FC6CDD8
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1804093/14516043819142743992921 : 698EAA401FC6CDD8
PRP: Verified (Factored)
PRP without proof (not generated)
2017-04-21Chang Chia-TcheF-ECM
Factor: 14516043819142743992921 / (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
2015-08-31ramgeisNF
no factor from 2^65 to 2^66
2015-07-01MadPooC-LL
93B4094088B5F00D
2015-05-02mikrNF-PM1
B1=2780000, B2=91760000, E=12
2015-04-20snme2pm1NF
no factor from 2^64 to 2^65
2015-04-20snme2pm1NF
no factor from 2^63 to 2^64
2014-09-20JossNF-PM1
B1=171154
2014-05-12JossNF-PM1
B1=135577
2011-02-11Carsten KossendeyNF-PM1
B1=100000, B2=1650000, E=6
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-12Architects CubedNF
no factor from 2^60 to 2^61