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

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MnStatusDetails
7783927Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
451467767928.8old
14303110917069394791960.32016-01-28 12:20:38
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-05-16_p95holder_BCF39B56C3FC782D214213653
Verified2019-09-30Alvin BunkBCF39B56C3FC782D2435553653
History
DateUserTypeResult
2024-01-31Stef42NF-PM1
B1=950000, B2=2042400360
2019-09-30Alvin BunkC-PRP
M7783927/451467767/1430311091706939479 : BCF39B56C3FC782D
PRP: Verified
PRP without proof (not generated)
2018-05-16_p95holder_C-PRP
M7783927/451467767/1430311091706939479 : BCF39B56C3FC782D
PRP: Verified
PRP without proof (not generated)
2016-01-28TJAOIF
Factor: 1430311091706939479 / TF: 60-61