Q3 of 40 Page 1

The HCF of 135 and 225 is

135 = 15 × 7 = 5 × 3 × 3 × 3

225 = 15 × 15 = 5 × 3 × 5 × 3


HCF of 135 and 225 = 5 × 3 × 3 = 45

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