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Apr 18th, 2015
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  1. Soit a, b deux nombres, p = a*b, s = a+b
  2.  
  3. Peter 1 : p composé
  4. => s >= 4
  5.  
  6.  
  7. Sandy 1 : Si s = 4 : (a,b) = (2,2) ou (1,3), (1,3) impossible (P1)
  8. => s >= 5
  9. => p >= 6
  10.  
  11. Peter 2 :
  12. si p = 6 : seule solution (3,2)
  13. => p >= 8
  14. => s >= 6 (4*2) ou (3*3)
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