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What is the LCM of 4 and 57?

The LCM of 4 and 57 is 228.

Steps to find LCM

  1. Find the prime factorization of 4
    4 = 2 × 2
  2. Find the prime factorization of 57
    57 = 3 × 19
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

    LCM = 2 × 2 × 3 × 19
  4. LCM = 228

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