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
5977753Composite, with 9 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
430398217928.7old
67787719031032.72008-09-08 01:46:26
110827540631133.42008-09-08 01:46:26
8456248948871239.62008-09-08 01:46:26
69767909478791342.72008-09-30 21:46:03
23418883680760091651.12014-06-17 11:27:01
394699962182545211755.12015-01-08 13:13:51
19999421829409089111960.82016-03-07 12:17:33
20014593552072542231960.82016-03-07 12:20:47
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000295 / 1566
Estimated T-Level: 30.9
TF below 2^98 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-29ATH42D31BF0933FAF7D9352074153
Verified2018-02-13kkmrkkblmbrbk42D31BF0933FAF7D9256465053
History
DateUserTypeResult
2022-06-22LordJuliusNF
no factor from 2^61 to 2^63
2022-01-14Seth_TrNF-PM1
B1=500000000, B2=275167923030
2021-10-26Seth_TrNF-PM1
B1=200000000, B2=33200000000
2021-08-06Seth_TrNF
no factor from 2^66 to 2^67
2021-04-24alpertronNF-PP1
Start=6/5, B1=50000000, B2=1500000000
2018-02-13kkmrkkblmbrbkC-PRP
M5977753/430398217/6778771903/11082754063/845624894887/6976790947879/2341888368076009/39469996218254521/1999942182940908911/2001459355207254223 : 42D31BF0933FAF7D
PRP: Verified
PRP without proof (not generated)
2017-11-04ATHNF
no factor from 2^73 to 2^74
2017-11-04ATHNF
no factor from 2^72 to 2^73
2017-11-04ATHNF
no factor from 2^71 to 2^72
2017-11-03ATHNF
no factor from 2^70 to 2^71
2017-11-03ATHNF
no factor from 2^69 to 2^70
2017-11-03ATHNF
no factor from 2^68 to 2^69
2017-10-29ATHC-PRP
M5977753/430398217/6778771903/11082754063/845624894887/6976790947879/2341888368076009/39469996218254521/1999942182940908911/2001459355207254223 : 42D31BF0933FAF7D
PRP: Verified
PRP without proof (not generated)
2017-10-20BloodERazorNF
no factor from 2^67 to 2^68
2017-10-20BloodERazorNF
no factor from 2^65 to 2^66
2017-10-20BloodERazorNF
no factor from 2^64 to 2^65
2017-10-20BloodERazorNF
no factor from 2^63 to 2^64
2016-05-13alpertronNF-PM1
B1=50000000, B2=1500000000, E=12
2016-05-05alpertronNF-PM1
B1=10000000, B2=300000000, E=12
2016-05-03alpertronNF-PM1
B1=1000000, B2=30000000, E=12
2016-03-07TJAOIF
Factor: 2001459355207254223 / TF: 60-61
2016-03-07TJAOIF
Factor: 1999942182940908911 / TF: 60-61
2015-01-08TJAOIF
Factor: 39469996218254521 / TF: 55-56
2014-06-17TJAOIF
Factor: 2341888368076009
2008-09-30markrF
Factor: 6976790947879
2008-09-08Will EdgingtonF
Factor: 845624894887
2008-09-08Will EdgingtonF
Factor: 11082754063
2008-09-08Will EdgingtonF
Factor: 6778771903