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

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MnStatusDetails
10617353Factored
FactorDigitsBitsDate
29049833716934462377132271.32019-05-15 11:14:06
ECM
DigitsB1Curves
255000016 / 280
Estimated T-Level: 20.3 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-08-31Ivan ClarkeBB4086D852333D048243693
Verified (Factored)2003-12-13Ars Technica Team Prime RibBB4086D852333D044589861
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-11-09riccardo uberti22B51860D654873D1871714053
History
DateUserTypeResult
2020-11-09Ben DeloCERT
PRP Certification
Proof certified good
2020-11-09riccardo ubertiC-PRP
M10617353/2904983371693446237713 : 22B51860D654873D
PRP proof power = 8
PRP: Verified
Proof certified good
2019-05-15_p95holder_F-ECM
Factor: 2904983371693446237713 / (ECM curve 1, B1=50000, B2=5000000)
2017-12-16ramgeisNF
no factor from 2^68 to 2^69
2017-12-16ramgeisNF
no factor from 2^67 to 2^68
2015-11-18VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-09ThaNF
no factor from 2^65 to 2^66
2013-12-15lycornNF
no factor from 2^64 to 2^65
2013-07-31NesowaNF-PM1
B1=130000, B2=2632500, E=6