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What is the LCM of 1875 and 21?

The lcm of 1875 and 21 is 13125.

Steps to find LCM

  1. Find the prime factorization of 1875
    1875 = 3 × 5 × 5 × 5 × 5
  2. Find the prime factorization of 21
    21 = 3 × 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 × 5 × 5 × 5 × 7
  4. LCM = 13125

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