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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1943467Factored
FactorDigitsBitsDate
86756366891033.0old
24764704742361131651.12014-06-18 11:38:52
617524709644185990677112375.72021-03-21 00:38:42
2565579973376052706077396892787.72022-03-24 12:32:02
ECM
DigitsB1Curves
2550000276 / 280
Estimated T-Level: 24.9
TF below 2^78 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver KruseA025CFF2893986492013
Verified (Factored)2017-11-11kkmrkkblmbrbkA025CFF289398649229023613
Verified (Factored)2021-03-21Oliver Kruse65E842629F83355C354387453
Verified2022-03-29mrh65E842629F83355C484018353
Verified2022-03-30JackBlock65E842629F83355C4149824753
History
DateUserTypeResult
2022-03-30EthanDCERT
PRP Certification
Proof certified good
2022-03-30JackBlockC-PRP
M1943467/8675636689/2476470474236113/61752470964418599067711/256557997337605270607739689 : 65E842629F83355C
PRP proof power = 7
PRP: Verified
Proof certified good
2022-03-30carldsCERT
PRP Certification
Proof certified good
2022-03-29mrhC-PRP
M1943467/8675636689/2476470474236113/61752470964418599067711/256557997337605270607739689 : 65E842629F83355C
PRP proof power = 7
PRP: Verified
Proof certified good
2022-03-24TJAOIF-ECM
Factor: 256557997337605270607739689 / (ECM curve 51, B1=50000, B2=7500000)
2021-03-21MARK_DANA_ROCKMANCERT
PRP Certification
Proof certified good
2021-03-21Oliver KruseC-PRP
M1943467/8675636689/2476470474236113/61752470964418599067711 : 65E842629F83355C
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2021-03-21MarkSF-ECM
Factor: 61752470964418599067711 / (ECM curve 11, B1=50000, B2=5000000, Sigma=3663442793664024)
2017-11-11kkmrkkblmbrbkC-PRP
M1943467/8675636689/2476470474236113 : A025CFF289398649
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1943467/8675636689/2476470474236113 : A025CFF289398649
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-06-18TJAOIF
Factor: 2476470474236113