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What is the LCM of 72 and 2940?

The lcm of 72 and 2940 is 17640.

Steps to find LCM

  1. Find the prime factorization of 72
    72 = 2 × 2 × 2 × 3 × 3
  2. Find the prime factorization of 2940
    2940 = 2 × 2 × 3 × 5 × 7 × 7
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

    LCM = 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7
  4. LCM = 17640

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