Bonjour,
Ex. 2 :
1) 70 = 2 × 5 × 7
90 = 2 × 3 × 3 × 5 = 2 × 3² × 5
2) 6 300 = 70 × 90
= 2 × 5 × 7 ×2 × 3² × 5
= 2² × 3² × 5² × 7
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Bonjour,
Ex. 2 :
1) 70 = 2 × 5 × 7
90 = 2 × 3 × 3 × 5 = 2 × 3² × 5
2) 6 300 = 70 × 90
= 2 × 5 × 7 ×2 × 3² × 5
= 2² × 3² × 5² × 7
a. 2x2x2x2x3
b. 3x5x7
c. 2x2x2x2x2x2x5
d. 5x97
e. 2x2x2x5x5x5
f. 2x2x2x2x2x59
g. 2x2x2x3x3x5x7