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Sagot :

a) 32= 2x16
= 2x2x8
=2x2x2x4
=2x2x2x2x2

b) 45= 3x15
=3x3x5

c) 84= 2x42
=2x2x21
=2x2x3x7

d) 93= 3x 31
32 | 2
16 | 2
8. | 2
4. | 2
2. | 2
1

45 | 3
15 | 3
5 | 5
1

84 | 2
42 | 2
21. | 3
7. | 7
1

93 | 3
31. | 31
1

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