What is the LCM of 8 and 9?

The lcm of 8 and 9 is 72.

Steps to find LCM

  1. Find the prime factorization of 8
    8 = 2 × 2 × 2
  2. Find the prime factorization of 9
    9 = 3 × 3
  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 × 3 × 3
  4. LCM = 72
MathSolver: Math solution with steps

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