What is the LCM of 64 and 56?
448
Prime factorise: \(64=2^{6}\) and \(56=2^{3}\times7\).
LCM uses the highest power of each prime:
\[\text{LCM}=2^{6}\times7=64\times7=448\]
Hence the LCM is 448.
Similar Questions
Choose the option in which the numbers are in correct ascending order.
The HCF of two numbers is 17 and the other two factors of their LCM are 11 and 19. The smaller of the two numbers is:
The LCM of 1.2 and 2.7 is:
Find the HCF of 4.08 and 6.63.
The HCF of three numbers 98, 175 and 210 will be:
Determine the LCM of two numbers if their HCF is 9 and their ratio is 14 : 19.
If the highest common factor (HCF) of x and y is 15, then the HCF of 36x2 - 81y2 and 81x2 - 9y2 is divisible by ______.
The sum of two positive numbers is 240 and their HCF is 15. Find the number of pairs of numbers satisfying the given condition.
Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They will ring together after every.
What is the smallest integer that is divisible by 3, 7 and 18?
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?
