NationalEasyNumbers & Operations5–6

Prime Factorization

Decomposição em Fatores Primos

Find the prime factorization of $180$ .

Start dividing by the smallest prime ( $2$ ), then $3$ , then $5$ , etc.

Solution

Step 1 of 2

1. $180 = 2 \times 90 = 2 \times 2 \times 45 = 2 \times 2 \times 3 \times 15 = 2 \times 2 \times 3 \times 3 \times 5$