Complete the factor tree for $20.$

Make a factor tree for $8$. Do not use $1$ as a factor.

Make a factor tree for $15$. Do not use $1$ as a factor.

Make a factor tree for $14$. Do not use $1$ as a factor.

Make a factor tree for $32$. Do not use $1$ as a factor.

Make a factor tree for $21$. Do not use $1$ as a factor.

Make a factor tree for $40$. Do not use $1$ as a factor.

Make a factor tree for $48$. Do not use $1$ as a factor.

Make a factor tree for $50$. Do not use $1$ as a factor.