Question

8, The HCF of 135 and 180 is ..step by step​

Answer 1

Answer:

45

Step-by-step explanation:

HCF = highest common factor

180=2×2×3×3×5

135=3×3×3×5

common prime factors= 3×3×5

HCF= 3×3×5= 45

Answer 2

Step-by-step explanation:

180 = 22 × 32 × 5;

180 is not a prime, is a composite number;

135 = 33 × 5;

135 is not a prime, is a composite number

hence the answer is 45