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What is the LCM of 16 and 140?

The lcm of 16 and 140 is 560.

Steps to find LCM

  1. Find the prime factorization of 16
    16 = 2 × 2 × 2 × 2
  2. Find the prime factorization of 140
    140 = 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 × 5 × 7
  4. LCM = 560

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