Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
8262161
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
313962119928.2old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-09-28storm5510C8B4BCA2E66D589C1570705253
Verified
PRP without proof (not generated)
2020-04-05oodairaC8B4BCA2E66D589C154165253
History
DateUserTypeResult
2024-04-04Stef42NF-PM1B1=976000, B2=2281600230
2020-04-05oodairaC-PRPM8262161/313962119 : C8B4BCA2E66D589C
2018-09-28storm5510C-PRPM8262161/313962119 : C8B4BCA2E66D589C