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What is the LCM of 1890 and 630?

The lcm of 1890 and 630 is 1890.

Steps to find LCM

  1. Find the prime factorization of 1890
    1890 = 2 × 3 × 3 × 3 × 5 × 7
  2. Find the prime factorization of 630
    630 = 2 × 3 × 3 × 5 × 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 × 3 × 5 × 7
  4. LCM = 1890

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