Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
170003Factored
FactorDigitsBitsDate
340007618.4old
918356207929.82008-07-27 10:49:28
58774705382391342.42008-07-27 10:49:28
508194636182391445.52008-07-27 10:49:28
8236002126649211549.52008-08-26 20:12:44
182978306218234323072672012683.92008-08-26 20:12:44
42238035505201706296372321692891.82019-02-18 14:06:19
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000605 / 1566
Estimated T-Level: 31.9 ⓘ
TF below 2^101 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseA06A868E5C461C336013
Verified (Factored)2017-10-12kkmrkkblmbrbkA06A868E5C461C33613638313
Verified2019-02-19J.R. Allen02872329A5392C6777875553
Verified2019-02-19ATH02872329A5392C67714496153
Verified (Factored)2022-05-12Jorge Coveiro02872329A5392C6716760953
History
DateUserTypeResult
2022-12-07LordJuliusNF
no factor from 2^67 to 2^68
2022-11-14LordJuliusNF
no factor from 2^66 to 2^67
2022-11-14LordJuliusNF
no factor from 2^65 to 2^66
2022-11-14LordJuliusNF
no factor from 2^64 to 2^65
2022-11-14LordJuliusNF
no factor from 2^63 to 2^64
2022-11-14LordJuliusNF
no factor from 2^62 to 2^63
2022-11-14LordJuliusNF
no factor from 2^61 to 2^62
2022-11-14LordJuliusNF
no factor from 2^60 to 2^61
2022-11-14LordJuliusNF
no factor from 2^59 to 2^60
2022-11-14LordJuliusNF
no factor from 2^58 to 2^59
2022-05-12Jorge CoveiroC-PRP
M170003/340007 : 02872329A5392C67
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2021-04-29Seth_TrNF-PM1
B1=1000000000, B2=231000000000
2021-03-17Seth_TrNF-PM1
B1=200000000, B2=36200000000
2019-02-19ATHC-PRP
M170003/340007/50819463618239/5877470538239/918356207/823600212664921/18297830621823432307267201/4223803550520170629637232169 : 02872329A5392C67
PRP: Verified
PRP without proof (small exponent)
2019-02-19J.R. AllenC-PRP
M170003/340007/50819463618239/5877470538239/918356207/823600212664921/18297830621823432307267201/4223803550520170629637232169 : 02872329A5392C67
PRP: Verified
PRP without proof (small exponent)
2019-02-18Niels_Mache_NextcloudF-ECM
Factor: 4223803550520170629637232169 / (ECM curve 2, B1=250000, B2=25000000)
2017-10-12kkmrkkblmbrbkC-PRP
M170003/340007/50819463618239/5877470538239/918356207/823600212664921/18297830621823432307267201 : A06A868E5C461C33
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M170003/known_factors : A06A868E5C461C33
PRP without proof (not generated)
2017-04-16kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-08-26-Anonymous-F-ECM
Factor: 18297830621823432307267201
2008-08-26-Anonymous-F-PM1
Factor: 823600212664921
2008-07-27J FeitsmaF
Factor: 918356207
2008-07-27J FeitsmaF
Factor: 5877470538239
2008-07-27J FeitsmaF
Factor: 50819463618239