Question

Q17- Find the HCF of 150 and 350 using prime factorisation method (OR) using long

division method. (3 marks)

Q18- Find the LCM of 36, 62, 72 by using prime factorisation method. (3 marks)

Q19- The product of two numbers is 2925. If LCM is 195, find HCF. (3 marks)​

Answer 1

Answer:

Highest common factor of 150 and 350 = 2 × 5 × 5 = 50. 3. Find highest common factor (HCF) of 390, 702 and 468 by using prime factorization method. 390 = 1 × 2 × 3× 5 × 13.

Answer 2

Answer:

lcm ×hcf of 150 and 350=52050