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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1153223Factored
FactorDigitsBitsDate
9067061221698713097979144792789.62019-07-08 17:44:23
22846884708542047903227742312890.92015-11-21 14:19:40
200163214704108303774243443949479500937120.62015-11-21 14:19:40
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000167 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski0F40
Verified (Factored)The Grebelius FamilyF3919D112FB8E0F40
Verified (Factored)2002-07-14S57483F3919D112FB8E0F4124697
Verified (Factored)2002-07-14Thomas A. MullenF3919D112FB8E0F4659145
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver Kruse530332A45857B8762013
Verified (Factored)2017-10-17Oliver Kruse530332A45857B876249336213
Verified (Factored)2018-01-03ATH530332A45857B876262304613
Verified2019-07-08SRJ28770C6F596C3DAF7E1B3112632953
Verified2019-07-10arnaud0C6F596C3DAF7E1B314351653
P-1 factors
DateFactorB1B2
2015-11-2122846884708542047903227742315000000100000000
2015-11-2120016321470410830377424344394947950095000000100000000
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2019-07-10arnaudC-PRP
M1153223/2284688470854204790322774231/2001632147041083037742434439494795009/906706122169871309797914479 : 0C6F596C3DAF7E1B
PRP: Verified
PRP without proof (not generated)
2019-07-08SRJ2877C-PRP
M1153223/906706122169871309797914479/2284688470854204790322774231/2001632147041083037742434439494795009 : 0C6F596C3DAF7E1B
PRP: Verified
PRP without proof (not generated)
2019-07-08SRJ2877F-ECM
Factor: 906706122169871309797914479 / (ECM curve 3, B1=1000000, B2=100000000)
2018-01-03ATHC-PRP
M1153223/2284688470854204790322774231/2001632147041083037742434439494795009 : 530332A45857B876
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M1153223/2284688470854204790322774231/2001632147041083037742434439494795009 : 530332A45857B876
PRP: Verified
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1153223/2284688470854204790322774231/2001632147041083037742434439494795009 : 530332A45857B876
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1153223/2284688470854204790322774231/2001632147041083037742434439494795009 : 530332A45857B876
PRP without proof (not generated)
2015-11-21SRJ2877F-PM1
Factor: 4573105889235910801109267528278073569467723559031741597532613079 / (P-1, B1=5000000, B2=100000000, E=12)
2015-08-10omylistNF
no factor from 2^65 to 2^66
2015-01-10lycornNF
no factor from 2^64 to 2^65
2014-12-28Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-07dbaughNF
no factor from 2^62 to 2^63
2012-02-02markrNF-PM1
B1=500000, B2=10000000, E=12
2011-05-09XyzzyNF
no factor from 2^61 to 2^62
2009-02-16Sturle SundeNF
no factor from 2^60 to 2^61