Question

Find the prime factorization of 980

Answer 1

Factorization of 980
$$\begin{gathered} 980÷2=490 \\ 490÷2=245 \\ 245÷5=49 \\ 49÷7=7 \\ 7÷7=1 \end{gathered}$$

so we can write $980=2\times 2\times 5\times 7\times 7$