These problems help students learn how to find the lowest common multiple (LCM) using factor diagrams (Venn diagrams). Each problem provides two numbers or sets for which students must complete the given factor diagram to accurately determine the LCM. This topic focuses on applying an understanding of factors through visual organizational aids and integrates basic factorization skills with methods for finding LCM efficiently.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Complete the factor diagram and use it to find lowest common multiple of these numbers.