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

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MnStatusDetails
1011137Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
256899171790749534373132374.42016-07-06 20:40:13
3442602126280845894736492478.22016-12-02 13:23:46
294583620044106706725244732684.62017-03-17 13:36:12
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 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 Slowinski107B0
Verified (Factored)Ken Kriesel2D245D6F6A72D07B0
Verified (Factored)2002-01-08S574832D245D6F6A72D07B516295
Verified (Factored)2010-06-13Rob_Dee2D245D6F6A72D07B161143
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28alpertron2D3D4C3076BFB2DE3013
Verified2017-10-15Oliver Kruse2D3D4C3076BFB2DE370066213
P-1 factors
DateFactorB1B2
2016-07-0625689917179074953437313500000010200000
History
DateUserTypeResult
2021-06-21ViliamFNF-PM1
B1=10000000, B2=960000000
2017-10-15Oliver KruseC-PRP
M1011137/25689917179074953437313/344260212628084589473649/29458362004410670672524473 : 2D3D4C3076BFB2DE
PRP: Verified
PRP without proof (not generated)
2017-09-28alpertronC-PRP
M1011137/25689917179074953437313/29458362004410670672524473/344260212628084589473649 : 2D3D4C3076BFB2DE
PRP: Verified
PRP without proof (not generated)
2017-03-17TJAOIF-ECM
Factor: 29458362004410670672524473 / (ECM curve 58, B1=50000, B2=5000000)
2016-12-02TJAOIF-ECM
Factor: 344260212628084589473649 / (ECM curve 15, B1=50000, B2=5000000)
2016-08-12JossNF-PM1
B1=5000000, B2=40800000, E=12
2016-07-09JossNF-PM1
B1=5000000, B2=20400000, E=12
2016-07-06JossF-PM1
Factor: 25689917179074953437313 / (P-1, 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
2013-05-10Never Odd Or EvenNF
no factor from 2^69 to 2^70
2013-05-10Never Odd Or EvenNF
no factor from 2^68 to 2^69
2013-03-26Never Odd Or EvenNF
no factor from 2^67 to 2^68
2013-03-26Never Odd Or EvenNF
no factor from 2^66 to 2^67
2013-03-26Never Odd Or EvenNF
no factor from 2^65 to 2^66
2013-03-26Never Odd Or EvenNF
no factor from 2^64 to 2^65
2010-11-19Rob_DeeNF-PM1
B1=5000000, B2=5100000
2010-11-18Rob_DeeNF-PM1
B1=4800000, B2=5000000
2010-11-17Rob_DeeNF-PM1
B1=4600000, B2=4800000
2010-11-16Rob_DeeNF-PM1
B1=4400000, B2=4600000
2010-11-15Rob_DeeNF-PM1
B1=4200000, B2=4400000
2010-11-14Rob_DeeNF-PM1
B1=4000000, B2=4200000
2010-11-13Rob_DeeNF-PM1
B1=3800000, B2=4000000
2010-11-12Rob_DeeNF-PM1
B1=3600000, B2=3800000
2010-11-11Rob_DeeNF-PM1
B1=3400000, B2=3600000
2010-11-10Rob_DeeNF-PM1
B1=3200000, B2=3400000
2010-11-09Rob_DeeNF-PM1
B1=3000000, B2=3200000
2010-11-08Rob_DeeNF-PM1
B1=2800000, B2=3000000
2010-11-07Rob_DeeNF-PM1
B1=2600000, B2=2800000
2010-11-06Rob_DeeNF-PM1
B1=2400000, B2=2600000
2010-11-06Michael CNF
no factor from 2^63 to 2^64
2010-11-06Michael CNF
no factor from 2^62 to 2^63
2010-11-06Michael CNF
no factor from 2^61 to 2^62
2010-11-05Rob_DeeNF-PM1
B1=2200000, B2=2400000
2010-11-04Rob_DeeNF-PM1
B1=2000000, B2=2200000
2010-11-03Rob_DeeNF-PM1
B1=1800000, B2=2000000
2010-11-02Rob_DeeNF-PM1
B1=1600000, B2=1800000
2010-11-01Rob_DeeNF-PM1
B1=1400000, B2=1600000
2010-10-31Rob_DeeNF-PM1
B1=1200000, B2=1400000
2010-10-30Rob_DeeNF-PM1
B1=1000000, B2=1200000
2010-10-29Rob_DeeNF-PM1
B1=800000, B2=1000000
2010-10-28Rob_DeeNF-PM1
B1=600000, B2=800000
2010-10-27Rob_DeeNF-PM1
B1=400000, B2=600000
2010-06-13Rob_DeeC-LL
2D245D6F6A72D07B
2009-02-16Sturle SundeNF
no factor from 2^60 to 2^61