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

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MnStatusDetails
11603771Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
23207543824.5old
680293818266171446.02008-10-01 00:34:40
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-15LaurVC31C389BEB1D483A2403220353
History
DateUserTypeResult
2025-06-05yuriy_5-1F
Factors: 23207543,68029381826617 / TF: 70-71
2025-05-02yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-14yuriy_5-1NF-PM1
B1=11603772, B2=96480173790
2025-03-14yuriy_5-1NF
no factor from 2^68 to 2^69
2024-05-23yuriy_5-1NF-PM1
B1=2097152, B2=8295175980
2021-09-15ArtDaPineCERT
PRP Certification
Proof certified good
2021-09-15LaurVC-PRP
M11603771/23207543/68029381826617 : C31C389BEB1D483A
PRP proof power = 8
PRP: Verified
Proof certified good
2008-10-01markrF
Factor: 68029381826617