Number System | LCM and HCF

Practice Number System | LCM and HCF on Bissoy — browse topics below and open any question.

Questions

What is the least number that when divided by 63 and 105 leaves remainder 4 in each case?

What is the HCF of 6345 and 2160?

What is the LCM of 64 and 56?

What is the LCM of 120 and 450?

If the least common multiple of two numbers, 1728 and K is 5184, then how many values of K are possible?

Which of the following is NOT prime number?

Find the greatest length which can be used to measure exactly three cloth pieces of lengths 1.26 m, 1.98 m and 1.62 m respectively.

Find the least number which when divided by 12, 15, 18 and 27 leaves remainders 10, 13, 16 and 25 respectively.

The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?