Réponse:
Bonsoir
180 = 2 x 90
90 = 2 x 45
45 = 3 x 15
15 = 3 x 5
180 = 2² x 3² x 5
63 = 3 x 21
21 = 3 x 7
63 = 3² x 7
1225 = 5 x 245
245 = 5 x 49
49 = 7 x 7
1225 = 5² x 7²
3672 = 2 x 1836
1836 = 2 x 918
918 = 2 x 459
459 = 3 x 153
153 = 3 x 51
51 = 3 x 17
3672 = 2³ x 3³ x 17
416 = 2 x 208
208 = 2 x 104
104 = 2 x 52
52 = 2 x 26
26 = 2 x 13
416 = 2⁵ x 13
24000 = 2 x 12000
12000 = 2 x 6000
6000 = 2 x 3000
3000 = 2 x 1500
1500 = 2 x 750
750 = 2 x 375
375 = 3 x 125
125 = 5 x 25
25 = 5 x 5
24000 = 2⁶ x 3 x 5³
Voilu voilou, bonne soirée.
