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

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MnStatusDetails
2701903Factored
FactorDigitsBitsDate
113373835185739531509532373.32021-08-01 11:14:55
ECM
DigitsB1Curves
2550000108 / 280
Estimated T-Level: 21.9
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David LintonE963ADD697387E3A0
Verified (Factored)Marc RiddersE963ADD697387E3A0
Verified (Factored)1999-07-12Lee Sau DanE963ADD697387E3A227015
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-08-01SRJ28774F8297256EDAA6691100512653
History
DateUserTypeResult
2021-08-01timothee.chaumierCERT
PRP Certification
Proof certified good
2021-08-01SRJ2877C-PRP
M2701903/11337383518573953150953 : 4F8297256EDAA669
PRP proof power = 7
PRP: Verified
Proof certified good
2021-08-01nordiF-ECM
Factor: 11337383518573953150953 / (ECM curve 1, B1=50000, B2=6750000, Sigma=62050626722934)
2021-06-21TJAOINF
no factor from 2^68 to 2^69
2021-01-13GdSNF-PM1
B1=1565197, B2=54781904, E=12
2019-02-11chuenkitNF
no factor from 2^67 to 2^68
2018-07-21JossNF-PM1
B1=600000, B2=6000000, E=6
2017-09-29Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2016-01-28ramgeisNF
no factor from 2^65 to 2^66
2015-04-13VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-13VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-03Grant McCrackenNF
no factor from 2^61 to 2^62
2011-03-16James HeinrichNF-PM1
B1=300000, B2=8000000, E=12
2011-01-16JossNF-PM1
B1=50000
2010-12-26JossNF-PM1
B1=30000
2010-12-16JossNF-PM1
B1=20000
2009-01-30Sturle SundeNF
no factor from 2^60 to 2^61