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What is the LCM of 490 and 2800?

The lcm of 490 and 2800 is 19600.

Steps to find LCM

  1. Find the prime factorization of 490
    490 = 2 × 5 × 7 × 7
  2. Find the prime factorization of 2800
    2800 = 2 × 2 × 2 × 2 × 5 × 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 × 2 × 2 × 2 × 5 × 5 × 7 × 7
  4. LCM = 19600

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