Who was the originator of calculating the Human Life

What is the Highest Common Factor of 36, 108 and 180?

If the product of two numbers is 108 and their HCF is 6, then find the LCM of the given two numbers.

What is the Highest Common Factor of 64, 128 and 256?

The HCF and LCM of two natural numbers are 10 and 60, respectively. What is the difference between the two numbers, if one of the numbers is 30?

Find the range of the given data:

99, 101, 85, 90, 112, 87, 95

Three numbers a, b and c are co-prime to each other such that ab = 63 and bc = 77. Find the value of (a + b + c).

Find the HCF of 245, 350 and 385.

The least number which when divided by 8, 10, 12 and 15 leave zero remainder in each case and when divided by 16 leaves a remainder of 8 is:

The HCF of two numbers is 12. Which one of the following can never be their LCM?