Question

find HCF of 45 and 63 by prime factorization method​

Answer 1

Answer:

45 = 3² × 5

63 = 3² × 7

LCM = 3² × 7× 5 = 315

Answer 2

ANSWER:-

List of positive integer factors of 63 that divides 63 without a remainder. We found the factors and prime factorization of 45 and 63. The biggest common factor number is the GCF number. So the greatest common factor 45 and 63 is 9.