Solutions by » LCM of two numbers

What is the LCM of 3 and 13?

The LCM of 3 and 13 is 39.

Steps to find LCM

  1. Find the prime factorization of 3
    3 = 3
  2. Find the prime factorization of 13
    13 = 13
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

    LCM = 3 × 13
  4. LCM = 39

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