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lcm 4,8

Solution

lcm

4, 8

8

Solution steps

4, 8

Prime factorization of

4 : 2 \cdot 2

4

4

divides by

24 = 2 \cdot 2

= 2 \cdot 2

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

Multiply each factor the greatest number of times it occurs in either

4

8

= 2 \cdot 2 \cdot 2

Multiply the numbers:

2 \cdot 2 \cdot 2 = 8

= 8

3 \cdot \frac{8}{2 ^{2}} + 1

3.2

1 2^{2} + 1 6^{2}

2 5^{2} - 2 4^{2}

6, 9