Question

What is the Lcm & Hcf of 455 , 350.​

Answer 1

Step-by-step explanation:

LCM

Find the prime factorization of 350

350 = 2 × 5 × 5 × 7

Find the prime factorization of 455

455 = 5 × 7 × 13

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

LCM = 2 × 5 × 5 × 7 × 13

LCM = 4550

HCF

350 = 1 × 2 × 5 × 5 × 7. Common factor of 150 and 350 = 1, 2, 5, 5. Highest common factor of 150 and 350 = 2 × 5 × 5 = 50.