Bonjour,
224/2 =112
112/2 =56
56/2 =28
28/2 =14
14/2 =7
=> 2*2*2*2*2*7
280/2 =140
140/2 =70
70/2 =35
35/5 =7
=> 2*2*2*5*7
en commun:
2*2*2*7 =56
224/56 =4
280/56 =5
224/280= 4/5
420/2 =210
210/2 =105
105/3 =35
35/5 =7
=> 2*2*3*5*7
882/2 =441
441/3 =147
147/3 =49
49/7 =7
=> 2*3*3*7*7
en commun:
2*3*7 = 42
même technique que pour a
8800/2 =4400
4400/2 =2200
2200/2 =1100
1100/2 =550
550/2 =275
275/5 =55
55/5 =11
=> 2*2*2*2*2*5*5 *11
3775/5 =75
75/5 =151
=> 5*5*151
5*5=25
même technique
1056/2 = 528
528/2 =264
264/2 =132
132/2 =66
66/2=33
33/3 =11
=> 2*2*2*2*2*3*11
1596/2 =798
798/2 =399
399/3 =133
133/7 =19
=> 2*2*3* 7*19
2*2*3 = 12
même technique
