Question

find the hcf of following numbers by prime factorisation and short division method s 30;105;75​

Answer 1

$15$

Step-by-step explanation:

$\: \: \: \: \: 30 = 2 \times 3 \times 5 \\ \: \: \: 105 = 3 \times 5 \times 7 \\ 75 = 3 \times {5}^{2} \\ Now, \: \: HCF(30,105,75) = 3 \times 5 = 15$