Basic Math Examples

$72$

Step 1

Find the prime factorization of $72$ .

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Step 1.1

$72$ has factors of $2$ and $36$ .

$2 \cdot 36$

Step 1.2

$36$ has factors of $2$ and $18$ .

$2 \cdot 2 \cdot 18$

Step 1.3

$18$ has factors of $2$ and $9$ .

$2 \cdot 2 \cdot 2 \cdot 9$

Step 1.4

$9$ has factors of $3$ and $3$ .

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

Step 2

Since $72$ has factors other than $72$ and $1$ , $72$ is a composite number.

$72$ is a composite number