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

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MnStatusDetails
11619043Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
11154281291030.1old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-21GAN0697CDD5AAA75B321198488453
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
2025-03-28yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6971424, B2=448721460
2025-02-10yuriy_5-1NF-PM1
B1=4647616, B2=600169020
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-09-21curtiscCERT
PRP Certification
Proof certified good
2021-09-21GANC-PRP
M11619043/1115428129 : 0697CDD5AAA75B32
PRP proof power = 8
PRP: Verified
Proof certified good