The solution to lcm 9,8,4 is 72

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Find the LCM 9 , 8 , 4

Solution

lcm

9, 8, 4

72

Solution steps

9, 8, 4

Prime factorization of

9 : 3 \cdot 3

9

9

divides by

39 = 3 \cdot 3

= 3 \cdot 3

Prime factorization of

8 : 2 \cdot 2 \cdot 2

8

8

divides by

28 = 4 \cdot 2

= 2 \cdot 4

4

divides by

24 = 2 \cdot 2

= 2 \cdot 2 \cdot 2

Prime factorization of

4 : 2 \cdot 2

4

4

divides by

24 = 2 \cdot 2

= 2 \cdot 2

Compute a number comprised of factors that appear in at least one of the following:

9, 8, 4

= 3 \cdot 3 \cdot 2 \cdot 2 \cdot 2

Multiply the numbers:

3 \cdot 3 \cdot 2 \cdot 2 \cdot 2 = 72

= 72

\frac{176}{2}

12 x + 20

4.35

5.83

\frac{140}{7}