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What is the LCM of 90 and 2205?

The lcm of 90 and 2205 is 4410.

Steps to find LCM

  1. Find the prime factorization of 90
    90 = 2 × 3 × 3 × 5
  2. Find the prime factorization of 2205
    2205 = 3 × 3 × 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 = 2 × 3 × 3 × 5 × 7 × 7
  4. LCM = 4410

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