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What is the LCM of 140 and 64?

The lcm of 140 and 64 is 2240.

Steps to find LCM

  1. Find the prime factorization of 140
    140 = 2 × 2 × 5 × 7
  2. Find the prime factorization of 64
    64 = 2 × 2 × 2 × 2 × 2 × 2
  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 × 7
  4. LCM = 2240

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