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What is the LCM of 16 and 28?

The lcm of 16 and 28 is 112.

Steps to find LCM

  1. Find the prime factorization of 16
    16 = 2 × 2 × 2 × 2
  2. Find the prime factorization of 28
    28 = 2 × 2 × 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 × 2 × 7
  4. LCM = 112

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