Question

Find the HCF and LCM of 45, 75


with steps ​

Answer 1

Steps to find LCM:-

Find the prime factorization of 45. 45 = 3 × 3 × 5.

Find the prime factorization of 75. 75 = 3 × 5 × 5.

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM: LCM = 3 × 3 × 5 × 5.

LCM = 225.

Steps to find HCF:-

gcf, hcf, gcd (45; 75) = 15 = 3 × 5: greatest (highest) common factor (divisor), calculated. The numbers have common prime factors.

HOPE ITS HELPFUL.

Answer 2

Explanation:

Steps to find LCM

Find the prime factorization of 45. 45 = 3 × 3 × 5.

Find the prime factorization of 75. 75 = 3 × 5 × 5.

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM: LCM = 3 × 3 × 5 × 5.

LCM = 225

45; 75) = 15 = 3 × 5: greatest (highest) common factor (divisor), calculated. The numbers have common prime factors