Question

find the HCF of 20,28 and 36 plz fast

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Answer 1

Answer:

36 = 2 × 2 × 3 × 3. The common factor of 20, 28, and 36 is 2 (occurring twice). Thus, HCF of 20, 28 and 36 is 2 × 2 = 4.

Answer 2

36 = 2 × 2 × 3 × 3;

The common factor of 20, 28 and 36 is 2(occurring twice). Thus, HCF of 20, 28 and 36 is 2 × 2 = 4.