lcm of 9 and 24 — step-by-step solution

To calculate the LCM (least common multiple), we first decompose the numbers into prime factors.

9

3^{2}

24

2^{3} \times 3

We keep every prime factor that appears, with its greatest exponent.

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ppcm (9, 24)

3^{2} \times 2^{3}

72