Finite Math Examples

$1$ , $24$

Step 1

The LCM is the smallest positive number that all of the numbers divide into evenly.

1. List the prime factors of each number.

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

Step 2

The number $1$ is not a prime number because it only has one positive factor, which is itself.

Not prime

Step 3

The prime factors for $24$ are $2 \cdot 2 \cdot 2 \cdot 3$ .

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Step 3.1

$24$ has factors of $2$ and $12$ .

$2 \cdot 12$

Step 3.2

$12$ has factors of $2$ and $6$ .

$2 \cdot 2 \cdot 6$

Step 3.3

$6$ has factors of $2$ and $3$ .

$2 \cdot 2 \cdot 2 \cdot 3$

Step 4

Multiply $2 \cdot 2 \cdot 2 \cdot 3$ .

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Step 4.1

Multiply $2$ by $2$ .

$4 \cdot 2 \cdot 3$

Step 4.2

Multiply $4$ by $2$ .

$8 \cdot 3$

Step 4.3

Multiply $8$ by $3$ .

$24$