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What is the LCM of 15 and 285?

The LCM of 15 and 285 is 285.

Steps to find LCM

  1. Find the prime factorization of 15
    15 = 3 × 5
  2. Find the prime factorization of 285
    285 = 3 × 5 × 19
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

    LCM = 3 × 5 × 19
  4. LCM = 285

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