Marin Mersenne 2^P-1
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MnStatusDetails
6608003Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
4303909297647658591032168.52012-07-04 18:07:25
49872200350245726758968012582.02025-01-03 22:40:26
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-03-01Evan TsangB2BAB79C9DB4AF790
Verified (Factored)2002-02-17Ashton VazB2BAB79C9DB4AF791200188
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-01-09dnovaBB1E2849CDE170B6319164213
Verified (Factored)2025-01-10Torchwood InstituteBB1E2849CDE170B6337611913
Verified (Factored)2025-01-10Torchwood InstituteBB1E2849CDE170B6412091713
Verified (Factored)2025-01-11jeriffeeBB1E2849CDE170B630188813
Verified (Factored)2025-01-151144551144BB1E2849CDE170B6278370413
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-12-29Chun sung sooBB1E2849CDE170B61325238453
Verified (Factored)2018-11-04kkmrkkblmbrbkBB1E2849CDE170B61240179153
Verified2025-01-15PerigBB1E2849CDE170B62538384653
Verified2025-01-16dnovaBB1E2849CDE170B62456127753
P-1 factors
DateFactorB1B2
2025-01-0349872200350245726758968019840001806480060
History
DateUserTypeResult
2025-01-16MarvintooCERT
PRP Certification
Proof certified good
2025-01-16dnovaC-PRP
M6608003/430390929764765859103/4987220035024572675896801 : BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified
Proof certified good
2025-01-15Chris RycroftCERT
PRP Certification
Proof certified good
2025-01-15PerigC-PRP
M6608003/430390929764765859103/4987220035024572675896801 : BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified
Proof certified good
2025-01-15Ethan O'ConnorCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-01-151144551144C-PRP
BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2025-01-11proskiCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-01-11jeriffeeC-PRP
BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2025-01-10John BejaranoCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-01-10XyzzyCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-01-10Torchwood InstituteC-PRP
BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2025-01-10Torchwood InstituteC-PRP
BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2025-01-09George WoltmanCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-01-09dnovaC-PRP
BB1E2849CDE170B6
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2025-01-03Stef42F-PM1
Factor: 4987220035024572675896801 / (P-1, B1=984000, B2=1806480060)
2018-11-04kkmrkkblmbrbkC-PRP
M6608003/430390929764765859103 : BB1E2849CDE170B6
PRP: Verified (Factored)
PRP without proof (not generated)
2017-12-29Chun sung sooC-PRP
M6608003/430390929764765859103 : BB1E2849CDE170B6
PRP: Verified (Factored)
PRP without proof (not generated)
2012-07-04NesowaF-PM1
Factor: 430390929764765859103