Question

Find the LCM and HCF of 8, 9 and 25 by applying the prime factorization method.

Answer 1

$8=1\times 2\times 2\times 2$
$9=1\times 3\times 3$
$25=1\times 5\times 5$
$HCF=1$
$LCM=1\times 2\times 2\times 2\times 3\times 3\times 5\times 5=1800$