How do you write the factor trees for 51?

1 Answer

51 is odd, but it can be divided by 3 (sum of digits divisible by 3)

Explanation:

So we get 51=3xx17
And there it ends because 17 is prime.

color(white)(0000)51
color(white)(000)"/"color(white)(00)"\"
color(white)(00)3color(white)(000)17