What is LCM of 4, 5 and 7?
LCM (4, 5, 7) is the least number which is exactly divisible by all three numbers 4, 5 and 7
Answer: LCM of 4, 5, 7 is 140
Let us find LCM of 4, 5 and 7
The smallest number which is exactly divisible by both the given numbers is the least common multiple. It is convenient to use the common division method to find the LCM of 3 or more numbers.
Common Division Method To Find LCM of 4, 5 and 7
In this division method, we divide the numbers simultaneously with prime numbers and stop it when we don't have a prime number to divide the given numbers.
LCM of 4, 5, 7 is the same as 140, as all the given numbers are co-primes, the LCM is the product of the numbers 4, 5 and 7