Question

3 536 and 33 150 HCF​

Answer 1

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Factors of 15 (Fifteen) = 1, 3, 5 and 15.

Factors of 35 (Thirty five) = 1, 5, 7 and 35. 

Therefore, common factor of 15 (Fifteen) and 35 (Thirty five) = 1 and 5. 

Highest common factor (H.C.F) of 15 (Fifteen) and 35 (Thirty five) = 5.