Pre-Algebra Examples

$343$

Step 1

Find the prime factorization of $343$ .

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Step 1.1

$343$ has factors of $7$ and $49$ .

$7 \cdot 49$

Step 1.2

$49$ has factors of $7$ and $7$ .

$7 \cdot 7 \cdot 7$

Step 2

Since $343$ has factors other than $343$ and $1$ , $343$ is a composite number.

$343$ is a composite number