Question

420 and 50 using Euclid division lemma formula

Answer 1

$420 = 5 \times 2 \times 2 \times 3 \times 7$


$= 5 \times 2 {}^{2} \times 3 \times 7$
$50 = 5 \times 5 \times 2$
$= {5}^{2} \times 2$
g.c.d of 420 and 50=5