Find the highest common factor of 36 and 84

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Find the highest common factor of 36 and 84

A. 4

B. 6

C. 12

D. 18

Answer: Option C

Solution(By Examveda Team)

36 = 2² × 3²
84 = 2² × 3 x 7
∴ H.C.F. = 2² × 3 = 12

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