Question

Hcf of 12 and 20 using Euclid's division lemma

Answer 1

Answer:

$a = bq + r \\ 20 = 12 \times 1 + 8 \\ 12 = 8 \times 1 + 4 \\ 8 = 4 \times 2 + 0 \\ therefore \: h.c.f = 4$

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