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

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MnStatusDetails
11627261Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
69763567826.1old
98378815171507699520503992583.02024-05-08 19:20:23
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-09-24Chad Steenerson DAC8CFBC27C30FEF1534959453
Verified2024-05-09yuriy_5-1DAC8CFBC27C30FEF2719920553
P-1 factors
DateFactorB1B2
2024-05-08983788151715076995205039920971524319300700
History
DateUserTypeResult
2025-06-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-05yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-31yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-20yuriy_5-1NF-PM1
B1=11627262, B2=96480173790
2024-05-09Alvin BunkCERT
PRP Certification
Proof certified good
2024-05-09yuriy_5-1C-PRP
M11627261/69763567/9837881517150769952050399 : DAC8CFBC27C30FEF
PRP proof power = 8
PRP: Verified
Proof certified good
2024-05-08yuriy_5-1F-PM1
Factor: 9837881517150769952050399 / (P-1, B1=2097152, B2=4319300700)
2021-09-24curtiscCERT
PRP Certification
Proof certified good
2021-09-24Chad Steenerson C-PRP
M11627261/69763567 : DAC8CFBC27C30FEF
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good