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What is the LCM of 1600 and 280?

The lcm of 1600 and 280 is 11200.

Steps to find LCM

  1. Find the prime factorization of 1600
    1600 = 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5
  2. Find the prime factorization of 280
    280 = 2 × 2 × 2 × 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 × 2 × 2 × 5 × 5 × 7
  4. LCM = 11200

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