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What is the LCM of 1125 and 1620?

The lcm of 1125 and 1620 is 40500.

Steps to find LCM

  1. Find the prime factorization of 1125
    1125 = 3 × 3 × 5 × 5 × 5
  2. Find the prime factorization of 1620
    1620 = 2 × 2 × 3 × 3 × 3 × 3 × 5
  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 × 3 × 3 × 3 × 5 × 5 × 5
  4. LCM = 40500

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