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What is the LCM of 63 and 1715?

The lcm of 63 and 1715 is 15435.

Steps to find LCM

  1. Find the prime factorization of 63
    63 = 3 × 3 × 7
  2. Find the prime factorization of 1715
    1715 = 5 × 7 × 7 × 7
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

    LCM = 3 × 3 × 5 × 7 × 7 × 7
  4. LCM = 15435

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