What is the LCM of 13 and 17?
LCM of 13 and 17 is the least number which is exactly divisible by 13 and 17.
Answer: LCM of 13 and 17 is 221
The smallest number in which the given numbers divide exactly is called the least common multiple.
LCM of 13 and 17 by Listing Method
In this method, we list the first few multiples of 13 and 17 and identify the common multiples.
The least among the common multiples is the LCM of 13 and 17
The common divisor of 13 and 17 is 1. So, the LCM of 13 and 17 is just the product of those two numbers i.e., LCM(13, 17) is 13\(\times\)17 = 221.
So, the least common multiple of any two prime numbers is equal to their product.