Question

Find the HCF of 20,55,90
Pls help it is urgent if i dont get this answer i will fail

Answer 1

Explanation:

Factors of 20 = 1 2 4 5 10 20

Factors of 55 = 1 5 11 55

Factors of 90 = 1 2 3 5 6 9 10 15 18 30 45 90

Hcf = 5