Question

find HCF of 65 and 117 by prime factorization method

Answer 1

factors of 65 are 5×13 and factors of 117 are 3×3×13
13 is common in both of them hence 13 ia tge HCF

Answer 2

65 = 5*13
117 = 3*3*13
so HCF of 65 & 117 is 13...