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

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MnStatusDetails
1333139Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
308994957431134.8old
658064073191135.92008-07-15 09:58:19
18367482549191340.72008-07-15 09:58:19
797824021524886630572066.12018-06-01 11:34:55
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 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)2025-09-01Kriesel4A7810632E2B5FAA013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30Oliver KruseF7A24017030EFC153013
Verified (Factored)2017-10-23kkmrkkblmbrbkF7A24017030EFC15361563713
Verified2018-06-01axn4A7810632E2B5FAA4116185953
Verified2018-06-05Oliver Kruse4A7810632E2B5FAA496965153
History
DateUserTypeResult
2025-09-03ohne-maklerCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-01KrieselC-PRP
4A7810632E2B5FAA
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2018-06-05Oliver KruseC-PRP
M1333139/30899495743/1836748254919/65806407319/79782402152488663057 : 4A7810632E2B5FAA
PRP: Verified
PRP without proof (not generated)
2018-06-01axnC-PRP
M1333139/30899495743/1836748254919/65806407319/79782402152488663057 : 4A7810632E2B5FAA
PRP: Verified
PRP without proof (not generated)
2018-06-01TJAOIF-ECM
Factor: 79782402152488663057 / (ECM curve 55, B1=50000, B2=5000000)
2017-10-23kkmrkkblmbrbkC-PRP
M1333139/30899495743/1836748254919/65806407319 : F7A24017030EFC15
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1333139/30899495743/1836748254919/65806407319 : F7A24017030EFC15
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-15J FeitsmaF
Factor: 65806407319
2008-07-15J FeitsmaF
Factor: 1836748254919