Sagot :
Réponse :
bonjour
je te montre, je ne les fais pas tous
126 = 2 x 63
63 = 3 x 21
21 = 3 x 7
7 = 7 x 1
126 = 2 x 3 ² x 7
450 = 2 = 225
225 = 3 x 75
75 = 3 x 25
25 = 5 x 5
5 = 5 x 1
450 = 2 x 3 ² x 5 ²
continue
Explications étape par étape :
Bonjour,
A = 126
126/2 =63
63/3 =21
21/3 =7
=> 2*3*3*7
B = 450
450/2 =225
225/3 =75
75/3 =25
25/5 =5
=> 2*3*3*5*5
C = 180
180/2 =90
90/2 =45
45/3 =15
15/3 =5
=> 2*2*3*3*5
D = 210
210/2 =105
105/3= 35
35/5 = 7
=>2*3*5*7
E = 260
260/2 =130
130/2 =65
65/5 =13
=>2*2*5*13