Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
5780329Factored
FactorDigitsBitsDate
34473603243576697860172792581.52019-05-07 14:34:33
ECM
DigitsB1Curves
25500008 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-09-13INTERSHOP Communications739F9A874F76F9E50
Verified (Factored)2000-09-29Marc Getty / Phil Fizur739F9A874F76F9E53513130
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-05-08Chang Chia-Tche014DE27DD58CD3171111496253
Verified2019-05-11marssystems014DE27DD58CD3171245260753
History
DateUserTypeResult
2019-05-11marssystemsC-PRP
M5780329/3447360324357669786017279 : 014DE27DD58CD317
PRP: Verified
PRP without proof (not generated)
2019-05-08Chang Chia-TcheC-PRP
M5780329/3447360324357669786017279 : 014DE27DD58CD317
PRP: Verified
PRP without proof (not generated)
2019-05-07nranksF-ECM
Factor: 3447360324357669786017279 / (ECM curve 2, B1=50000, B2=5000000)
2018-07-05ramgeisNF
no factor from 2^67 to 2^68
2016-07-06Gordon SpenceNF
no factor from 2^66 to 2^67
2015-09-09snme2pm1NF
no factor from 2^65 to 2^66
2014-11-03lycornNF
no factor from 2^64 to 2^65
2014-11-03NesowaNF
no factor from 2^63 to 2^64
2011-02-21markrNF-PM1
B1=105000, B2=1968750, E=6
2009-03-27GrunwalderGIMPNF
no factor from 2^62 to 2^63