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
7905253
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
189726073927.5old
1103826374040821285992166.62020-06-03 10:52:55
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-06-03One ManA7F4CF75625F38561216831353
Factored
PRP without proof (not generated)
2019-11-15NumberwangA7F4CF75625F38561714523653
Verified
PRP without proof (not generated)
2020-06-05Oliver KruseA7F4CF75625F38562419232653
History
DateUserTypeResult
2024-02-04Stef42NF-PM1B1=950000, B2=1968826860
2020-06-05Oliver KruseC-PRPM7905253/189726073/110382637404082128599 : A7F4CF75625F3856
2020-06-03TJAOIFFactor: 110382637404082128599
2019-11-15NumberwangC-PRPM7905253/189726073 : A7F4CF75625F3856
2018-06-03One ManC-PRPM7905253/189726073 : A7F4CF75625F3856