Question

Q 1.
Find the HCF of 58 and 70 using the
division method.

Answer 1

Find the prime factorization of 58. 58 = 2 × 29.

Find the prime factorization of 70. 70 = 2 × 5 × 7.

To find the GCF, multiply all the prime factors common to both numbers: Therefore, GCF = 2

Explanation: