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What is the LCM of 15 and 35?

The LCM of 15 and 35 is 105.

Steps to find LCM

  1. Find the prime factorization of 15
    15 = 3 × 5
  2. Find the prime factorization of 35
    35 = 5 × 7
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

    LCM = 3 × 5 × 7
  4. LCM = 105

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