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lcm 4,6

Solution

lcm

4, 6

12

Solution steps

4, 6

Prime factorization of

4 : 2 \cdot 2

4

4

divides by

24 = 2 \cdot 2

= 2 \cdot 2

Prime factorization of

6 : 2 \cdot 3

6

6

divides by

26 = 3 \cdot 2

= 2 \cdot 3

2, 3

are all prime numbers, therefore no further factorization is possible

= 2 \cdot 3

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

4

6

= 2 \cdot 2 \cdot 3

Multiply the numbers:

2 \cdot 2 \cdot 3 = 12

= 12

- 2 (- 1)^{2}

81 - 36

- 1^{2} + 1

1.55

2 (4 (7 + 4 (5 \cdot 3 - 9)) - 3 (40 - 8))