Question

The prime factorization method to determine the HCF of each of the following.
$520,1430$

Answer 1

$HCF$ of $520$ and $1430$

By prime factorization Method

$\Rightarrow 520=2^2\times 5\times 13$

$\Rightarrow 1430=2\times 5\times 13\times 11$

Thus $HCF(520,1430)=5\times 13\times 2=130$