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  1. Least common multiple (video) | Khan Academy

    The least common multiple (LCM) is the smallest number that two or more numbers can divide into evenly. To find the LCM, you can use the prime factorization method or list the multiples of each …

  2. Least common multiple review (article) | Khan Academy

    Finding least common multiple One way to find the LCM of two (or more!) numbers is to list the multiples of each number until we find the smallest multiple they have in common. Want to learn more about …

  3. Least common multiple of three numbers (video) | Khan Academy

    So to do that, let's just think about the different multiples of the 15, 6, and 10 and then find at the smallest multiple, the least multiple, they have in common.

  4. Least common multiple: repeating factors - Khan Academy

    To find the Least Common Multiple (LCM) of two integers, follow these steps: 1) Find the prime factorization of both numbers. 2) Determine which prime factors are needed for the least common …

  5. Least common multiple (video) | Finding LCM | Khan Academy

    The least common multiple (LCM) is the smallest number that two or more numbers can divide into evenly. To find the LCM, you can use the prime factorization method or list the multiples of each …

  6. Khan Academy | Free Online Courses, Lessons & Practice

    Math: Multiple grades Early math review Arithmetic Basic geometry and measurement Pre-algebra Algebra basics Math: Illustrative Math-aligned 3rd grade math 4th grade math 5th grade math 6th …

  7. Finding common denominators (video) | Khan Academy

    Watch how to use the least common multiple of the denominators to rewrite fractions, making them easier to compare or add. Created by Sal Khan and Monterey Institute for Technology and Education.

  8. GCF & LCM word problems (practice) | Khan Academy

    Ronald and Tim both did their laundry today. Ronald does laundry every 6 days and Tim does laundry every 9 days. How many days will it be until Ronald and Tim both do laundry on the same day again?

  9. Least common multiple (practice) | Basics | Khan Academy

    Find the lcm (least common multiple) of pairs of integers.

  10. Common multiple and least common multiple - Khan Academy

    Students learn to recognize common multiples and find the least common multiple of two or more numbers.