Find LCM of a, b, c. (The answer can be "This cannot be determined"). 4. How many pairs of positive integers x, y exist such that HCF of x, y = 35 and sum of x and y = 1085? A. 12 B. 8 C. 15 D. 30 5.

d) 963 Practice questions on HCF AND LCM 3. Find the greatest number of 4 digits and the least number of 5 digits that have as their H.C.F. 147 a) 9996 and 10, 143 b) 9936 and 10,080 c) 9996 and ...

Sometimes you are given numbers expressed as a product of prime factors. For example, 8 = 2 3 and 90 = 2 × 3 2 × 5. If you want to find the LCM and HCF in an exam, we can use prime factor form ...