Solution: To find the least common multiple of 12 and 18, factor both:

Fri, 17 Apr 2026 04:58:57 +0000

Understanding and Calculating the Least Common Multiple of 12 and 18 by Factoring When working with fractions, ratios, or scheduling recurring events, finding the least common multiple (LCM) is an essential math skill. One common problem students encounter is determining the LCM of 12 and 18. Instead of memorizing rules or relying on guesswork, a simple and reliable method involves factoring both numbers. This approach not only gives the correct LCM but also deepens understanding of how multiples work. --- ### Why Factoring?