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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MnStatusDetails
8744837Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
28508168631031.4old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-01-12Oliver KruseBD1303202E30C1F31149700353
Verified2020-08-30Richard ThomasBD1303202E30C1F31604944253
History
DateUserTypeResult
2024-08-22Stef42NF-PM1
B1=1625000, B2=2205691950
2020-08-30Ben DeloCERT
PRP Certification
Proof certified good
2020-08-30Richard ThomasC-PRP
M8744837/2850816863 : BD1303202E30C1F3
PRP proof power = 8
PRP: Verified
Proof certified good
2019-01-12Oliver KruseC-PRP
M8744837/2850816863 : BD1303202E30C1F3
PRP: Verified
PRP without proof (not generated)