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

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MnStatusDetails
1080143Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
28083719824.7old
241804429270892711754.42014-11-22 12:19:49
7137961869815607844547193253968664960138125.72024-08-22 01:20:48
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-09-01Kriesel7632164CDADFCB1D013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-28Oliver Kruse1DEB0CCEAC9FE7472013
Verified (Factored)2017-10-16Oliver Kruse1DEB0CCEAC9FE747214846713
Verified (Factored)2018-01-02ATH1DEB0CCEAC9FE7472391413
Verified2024-08-22cramsey877632164CDADFCB1D3105095353
P-1 factors
DateFactorB1B2
2024-08-2271379618698156078445471932539686649601300000022221719520
History
DateUserTypeResult
2025-09-01johnguinCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-01KrieselC-PRP
7632164CDADFCB1D
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2024-08-22Simon JosefssonCERT
PRP Certification
Proof certified good
2024-08-22cramsey87C-PRP
M1080143/24180442927089271/28083719/71379618698156078445471932539686649601 : 7632164CDADFCB1D
PRP proof power = 6
PRP: Verified
Proof certified good
2024-08-22cramsey87F-PM1
Factor: 71379618698156078445471932539686649601 / (P-1, B1=3000000, B2=22221719520)
2018-01-02ATHC-PRP
M1080143/28083719/24180442927089271 : 1DEB0CCEAC9FE747
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1080143/28083719/24180442927089271 : 1DEB0CCEAC9FE747
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1080143/28083719/24180442927089271 : 1DEB0CCEAC9FE747
PRP: Verified (Factored)
PRP without proof (not generated)
2014-11-22TJAOIF
Factor: 24180442927089271 / TF: 54-55