Sagot :
Bonjour,
4 320/2= 2 160
2 160/2= 1 080
1 080/2 = 540
540/2 = 270
270/2 = 135
135/3 = 45
45/3 = 15
15/3= 5
=> 2*2*2*2*2*3*3*3*5
4320:2=2160
2160:2=1080
1080:2=540
540:2=270
270:2=135
135:5=27
27:3=9
9:3=3
3:3=1. Conclusion 4320=2x2x2x2x2x3x3x3x5