Bonjour,
diviseurs communs:
364/ 2=182
182/2 =91
91/7 = 13
280/2= 140
140/2 = 70
70/2 = 35
35/5 = 7
448/2= 224
224/2 = 112
112/2 = 56
56/2 =28
28/2 =14
14/2 = 7
a)
en commun:
2*2*7 => 28
28mm d'arête
b)
364/ 28 =13
280/28 = 10
448/28 = 16
13*10*16 =>2 080 cubes