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

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MnStatusDetails
329867Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
7916809722.9old
431500342168011445.32008-07-21 09:16:59
30984539342565431651.52014-05-22 06:33:22
668979035992430999014638616664931102.42025-03-19 07:50:06
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000163 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse37FC1E80DC22FD083013
Verified (Factored)2017-10-13Oliver Kruse37FC1E80DC22FD08330137613
Verified (Factored)2017-12-12ATH37FC1E80DC22FD083387213
Verified (Factored)2020-04-18Oliver Kruse7A2F32CDD55CF727323774953
Verified (Factored)2024-09-06kkmrkkblmbrbk7A2F32CDD55CF727321896153
Verified2025-03-19Oliver Kruse7A2F32CDD55CF727424031153
History
DateUserTypeResult
2025-03-19mattashiiCERT
PRP Certification
Proof certified good
2025-03-19Oliver KruseC-PRP
M329867/7916809/43150034216801/3098453934256543/6689790359924309990146386166649 : 7A2F32CDD55CF727
PRP proof power = 5
PRP: Verified
Proof certified good
2025-03-19Oliver KruseF-ECM
Factor: 6689790359924309990146386166649 / (ECM curve 7, B1=636309, B2=826996170, Edwards Sigma=6554569642893505)
2024-09-12yuriy_5-1NF-PM1
B1=12000002, B2=1704299857260
2024-09-07ChuckCERT
PRP Certification
Proof certified good
2024-09-06kkmrkkblmbrbkC-PRP
M329867/7916809/43150034216801/3098453934256543 : 7A2F32CDD55CF727
PRP proof power = 5
PRP: Verified (Factored)
Proof certified good
2023-03-24Denial140NF-PM1
B1=1000000, B2=20563492950
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M329867/7916809/43150034216801/3098453934256543 : 7A2F32CDD55CF727
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-12ATHC-PRP
M329867/7916809/43150034216801/3098453934256543 : 37FC1E80DC22FD08
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M329867/7916809/43150034216801/3098453934256543 : 37FC1E80DC22FD08
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M329867/7916809/43150034216801/3098453934256543 : 37FC1E80DC22FD08
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M329867/7916809/43150034216801/3098453934256543 : 37FC1E80DC22FD08
PRP without proof (not generated)
2014-05-22Richard B. WoodsF-ECM
Factor: 3098453934256543
2008-07-21J FeitsmaF
Factor: 43150034216801