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

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MnStatusDetails
1008467Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
17323279690966132791960.62009-02-17 22:14:30
3576294333141644798955022397043132104.82021-06-19 06:43:32
ECM
DigitsB1Curves
2550000280 / 280
30250000104 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski9470
Verified (Factored)David TegerdineA2A6D2603C3949470
Verified (Factored)2002-01-02S57483A2A6D2603C394947508211
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-09-01Kriesel46943A0C7D9DDFB8013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-28Oliver Kruse1F30EA8F1A0E316D1013
Verified (Factored)2017-10-15Oliver Kruse1F30EA8F1A0E316D111087013
Verified (Factored)2017-12-27ATH1F30EA8F1A0E316D122615713
Verified2021-06-19ZacHFX46943A0C7D9DDFB8230639553
P-1 factors
DateFactorB1B2
2021-06-1935762943331416447989550223970431100000001110000000
History
DateUserTypeResult
2025-09-01wgreerxCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-01KrieselC-PRP
46943A0C7D9DDFB8
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2021-06-19Chad Steenerson CERT
PRP Certification
Proof certified good
2021-06-19ZacHFXC-PRP
M1008467/1732327969096613279/35762943331416447989550223970431 : 46943A0C7D9DDFB8
PRP proof power = 6
PRP: Verified
Proof certified good
2021-06-19ViliamFF-PM1
Factor: 35762943331416447989550223970431 / (P-1, B1=10000000, B2=1110000000)
2017-12-27ATHC-PRP
M1008467/1732327969096613279 : 1F30EA8F1A0E316D
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-15Oliver KruseC-PRP
M1008467/1732327969096613279 : 1F30EA8F1A0E316D
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1008467/1732327969096613279 : 1F30EA8F1A0E316D
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2009-02-17Sturle SundeF
Factor: 1732327969096613279