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

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Exponent Range:










MnStatusDetails
1007971Factored
FactorDigitsBitsDate
147008754617601167842456495789124892374340130.12022-06-03 13:27:21
ECM
DigitsB1Curves
2550000280 / 280
30250000103 / 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)David Slowinski14000
Verified (Factored)Gary LowderCD61208B8DF8F4000
Verified (Factored)2002-01-02S57483CD61208B8DF8F400258490
Verified (Factored)2010-01-04Rob_DeeCD61208B8DF8F400149167
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2020-10-31Ethan O'Connor65BDFEFAFCEFE26F013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-06-03SRJ287765BDFEFAFCEFE26F131590453
P-1 factors
DateFactorB1B2
2022-06-03147008754617601167842456495789124892374332000000756203658210
History
DateUserTypeResult
2022-06-03KrieselCERT
PRP Certification
Proof certified good
2022-06-03SRJ2877C-PRP
M1007971/1470087546176011678424564957891248923743 : 65BDFEFAFCEFE26F
PRP proof power = 6
PRP: Verified
Proof certified good
2022-06-03axnF-PM1
Factor: 1470087546176011678424564957891248923743 / (P-1, B1=32000000, B2=756203658210)
2022-02-20LordJuliusNF-PM1
B1=10000000, B2=84188114010
2022-01-30NumberwangNF-PM1
B1=105000, B2=2525853330
2021-11-08NumberwangNF-PM1
B1=72000, B2=3137000
2020-10-31ATHCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-10-31Ethan O'ConnorC-PRP
65BDFEFAFCEFE26F
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2018-11-19JossNF-PM1
B1=5020000, B2=202602171
2018-10-20JossNF-PM1
B1=5020000, B2=201594200, E=12
2018-02-23JossNF-PM1
B1=5020000, B2=89760000, E=12
2018-02-23JossNF-PM1
B1=5020000, B2=44880000, E=12
2016-09-30JossNF-PM1
B1=5000000, B2=44880000, E=6
2016-08-27JossNF-PM1
B1=5000000, B2=40800000, E=12
2016-07-09JossNF-PM1
B1=5000000, B2=20400000, E=12
2016-06-29JossNF-PM1
B1=5000000, B2=10200000, E=6
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2014-04-01Never Odd Or EvenNF
no factor from 2^70 to 2^71
2013-09-10Never Odd Or EvenNF
no factor from 2^69 to 2^70
2013-09-10Never Odd Or EvenNF
no factor from 2^68 to 2^69
2013-03-20Never Odd Or EvenNF
no factor from 2^67 to 2^68
2013-03-20Never Odd Or EvenNF
no factor from 2^66 to 2^67
2013-03-20Never Odd Or EvenNF
no factor from 2^65 to 2^66
2012-03-22bcp19NF
no factor from 2^64 to 2^65
2010-11-02Michael CNF
no factor from 2^63 to 2^64
2010-11-02Michael CNF
no factor from 2^62 to 2^63
2010-11-02Michael CNF
no factor from 2^61 to 2^62
2010-08-19Rob_DeeNF-PM1
B1=5000000, B2=5100000
2010-08-18Rob_DeeNF-PM1
B1=4800000, B2=5000000
2010-08-17Rob_DeeNF-PM1
B1=4600000, B2=4800000
2010-08-16Rob_DeeNF-PM1
B1=4400000, B2=4600000
2010-08-15Rob_DeeNF-PM1
B1=4200000, B2=4400000
2010-08-14Rob_DeeNF-PM1
B1=4000000, B2=4200000
2010-08-13Rob_DeeNF-PM1
B1=3800000, B2=4000000
2010-08-12Rob_DeeNF-PM1
B1=3600000, B2=3800000
2010-08-11Rob_DeeNF-PM1
B1=3400000, B2=3600000
2010-08-10Rob_DeeNF-PM1
B1=3200000, B2=3400000
2010-08-09Rob_DeeNF-PM1
B1=3000000, B2=3200000
2010-08-08Rob_DeeNF-PM1
B1=2800000, B2=3000000
2010-08-07Rob_DeeNF-PM1
B1=2600000, B2=2800000
2010-08-06Rob_DeeNF-PM1
B1=2400000, B2=2600000
2010-08-05Rob_DeeNF-PM1
B1=2200000, B2=2400000
2010-08-04Rob_DeeNF-PM1
B1=2000000, B2=2200000
2010-08-03Rob_DeeNF-PM1
B1=1800000, B2=2000000
2010-08-02Rob_DeeNF-PM1
B1=1600000, B2=1800000
2010-08-01Rob_DeeNF-PM1
B1=1400000, B2=1600000
2010-07-31Rob_DeeNF-PM1
B1=1200000, B2=1400000
2010-01-04Rob_DeeC-LL
CD61208B8DF8F400
2009-02-17Sturle SundeNF
no factor from 2^60 to 2^61