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What is the LCM of 15 and 13?

The lcm of 15 and 13 is 195.

Steps to find LCM

  1. Find the prime factorization of 15
    15 = 3 × 5
  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 × 5 × 13
  4. LCM = 195

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