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
5837719Factored
FactorDigitsBitsDate
58377191825.8old
26152981131031.32008-09-08 01:43:57
30823156331031.52008-09-08 01:43:57
63047365211032.62008-09-08 01:43:57
152247711531133.82008-09-08 01:43:57
23399912839611341.12008-09-08 01:43:57
1295870660691039326332166.82019-06-18 03:32:01
130310046750666946499829772683.42019-08-07 15:21:16
ECM
DigitsB1Curves
255000055 / 280
Estimated T-Level: 21.0 ⓘ
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-20kkmrkkblmbrbkB23E14B1716E569C6013
Verified (Factored)2018-08-23Oliver KruseB23E14B1716E569C6297346913
Verified (Factored)2019-06-18Niels_Mache_NextcloudF726036C6AED0F367257837653
Verified (Factored)2019-06-19kkmrkkblmbrbkF726036C6AED0F367405611253
Verified2019-08-10Chang Chia-TcheF726036C6AED0F36815404053
P-1 factors
DateFactorB1B2
2019-08-0713031004675066694649982977300000001000000000
History
DateUserTypeResult
2022-11-16LordJuliusNF
no factor from 2^65 to 2^66
2022-11-16LordJuliusNF
no factor from 2^64 to 2^65
2022-11-16LordJuliusNF
no factor from 2^63 to 2^64
2021-11-09Seth_TrNF-PM1
B1=200000000, B2=40200000000
2021-08-06Seth_TrNF
no factor from 2^66 to 2^67
2019-12-28Seth_TrNF
no factor from 2^67 to 2^68
2019-08-10Chang Chia-TcheC-PRP
M5837719/58377191/2615298113/3082315633/6304736521/15224771153/2339991283961/129587066069103932633/13031004675066694649982977 : F726036C6AED0F36
PRP: Verified
PRP without proof (not generated)
2019-08-07alpertronF-PM1
Factor: 13031004675066694649982977 / (P-1, B1=30000000, B2=1000000000, E=6)
2019-06-19kkmrkkblmbrbkC-PRP
M5837719/58377191/2615298113/3082315633/6304736521/15224771153/2339991283961/129587066069103932633 : F726036C6AED0F36
PRP: Verified
PRP without proof (not generated)
2019-06-18Niels_Mache_NextcloudC-PRP
M5837719/58377191/2615298113/3082315633/6304736521/15224771153/2339991283961/129587066069103932633 : F726036C6AED0F36
PRP: Verified
PRP without proof (not generated)
2019-06-18Seth_TrF
Factor: 129587066069103932633 / TF: 66-67
2018-08-23Oliver KruseC-PRP
M5837719/58377191/2615298113/3082315633/6304736521/15224771153/2339991283961 : B23E14B1716E569C
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M5837719/15224771153/2339991283961/2615298113/3082315633/58377191/6304736521 : B23E14B1716E569C
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 2339991283961
2008-09-08Will EdgingtonF
Factor: 15224771153
2008-09-08Will EdgingtonF
Factor: 6304736521
2008-09-08Will EdgingtonF
Factor: 3082315633
2008-09-08Will EdgingtonF
Factor: 2615298113