Question

Find the HCF by listing all the factors:
(a) 45 and 60​

Answer 1

45=3*3*5

60=2*2*3*5

HCF=15

Answer 2

Answer:

45= 1×3×3×5

60= 1×2×2×3×5

so, HCF of 45 and 60 is = 3×5=15