Question

Find the HCF of the following numbers:
(a) $45,30$ (b) $16,48$ (c)$39,25$

Answer 1

$a.45=5\times 3\times 3$

$30=5\times 3\times 2$

H.C.F is $5\times 3=15$

$b.16=16\times 1$

$48=16\times 3$

H.C.F=16

$c.39=3\times 13$

$25=5\times 5$

H.C.F=1