The least common multiple of 15x3 y4 and 12x2y5 is:
60x 3y 5
⇒ 15x3y4 = 3 × 5 × x3 × y4
⇒ 12x2y5 = 2 × 2 × 3 × x2 × y5
∴ LCM of 15x3 y4 and 12x2y5 = 2 × 2 × 3 × 5 × x3 × y5 = 60x3y5
Important Questions from LCM and HCF
The HCF and LCM of two numbers are 12 and 72, respectively. If the ratio of the two numbers is 2 ∶ 3, then the larger of the two numbers is:
Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
Joseph visits the club on every 5 th day, Harsh visits on every 24 th day, while Sumit visits on every 9 th day. If all three of them met at the club on a Sunday, then on which day will all three of them meet again?
What is the least number which when divided by 12,20 and 24 leaves in each case a remainder of 8?
Which of the following is a pair of co-primes?
