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What is the LCM of 432 and 1620?

The LCM of 432 and 1620 is 6480.

Steps to find LCM

  1. Find the prime factorization of 432
    432 = 2 × 2 × 2 × 2 × 3 × 3 × 3
  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 × 2 × 2 × 3 × 3 × 3 × 3 × 5
  4. LCM = 6480

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