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What is the LCM of 63 and 1225?

The lcm of 63 and 1225 is 11025.

Steps to find LCM

  1. Find the prime factorization of 63
    63 = 3 × 3 × 7
  2. Find the prime factorization of 1225
    1225 = 5 × 5 × 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 × 5 × 7 × 7
  4. LCM = 11025

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