title: M47
text: # M47
  
  M47 or M-47 may refer to:
  
  * M47 bomb, an American chemical/incendiary weapon
  * 47th known Mersenne prime
  * M47 Dragon, an American anti-tank missile system
  * M-47 (Michigan highway), a state highway in Michigan
  * M47 (Cape Town), a Metropolitan Route in Cape Town, South Africa
  * M47 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
  * M47 Patton, an American main battle tank
  * BMW M47, diesel engine (1998–2007)
  * Messier 47, an open star cluster in the constellation Puppis
  * Madsen M47, a Danish rifle
  