What is the least common multiple of #{120, 124, 165}#?
1 Answer
Mar 6, 2018
Explanation:
To find the least common multiple, let's do a prime factorization on these numbers:
To find the lowest common multiple, we take the largest group of primes we can choose from.
For instance, the first prime is 2. The 120 has 3 of them and that is the most that any of our other numbers have. So we need 3 2s.
For 3, the next prime, two of the numbers have a 3, so we need 1 also.
We also have two numbers with a 5 each:
And there is an 11 and a 31:
