1. What is the LCM of 56, 140 and 168 (2)  1) 1200 2) 840 3)1680 4) 64 5) None of these 2. Find the HCF of 720, 336 and 624 (3) 1) 62 2) 54 3) 48 4) 72 5) None of these 3. The LCM of two numbers is 28 times of their […] Read more

LCM Factor: one number is said to be a factor when it divides the other number exactly. Thus 2 and 3 are factors of 6. Multiple: one number is said to be a multiple of other number when it is exactly divisible by the other. Common factor: A comm... Read more