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

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MnStatusDetails
16956703Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
26113322631031.3old
1760617185562491547.32008-09-08 12:43:18
560516181136291371755.62015-02-05 12:09:37
2667703490703295692492167.92023-06-23 10:53:26
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-08-22Luke DurantDC519918C0B6C4044814433553
History
DateUserTypeResult
2024-08-22Luke DurantCERT
PRP Certification
Proof certified good
2024-08-22Luke DurantC-PRP
M16956703/2611332263/176061718556249/56051618113629137/266770349070329569249 : DC519918C0B6C404
PRP proof power = 8
PRP: Verified
Proof certified good
2024-05-29nordiNF-PM1
B1=500000, B2=254324994
2024-03-21nordiNF-PM1
B1=500000
2023-06-23TJAOIF
Factor: 266770349070329569249 / TF: 67-68
2015-02-05TJAOIF
Factor: 56051618113629137 / TF: 55-56
2008-09-08Will EdgingtonF
Factor: 176061718556249