# Problem 3: Largest prime factor

The prime factors of 13195 are 5, 7, 13 and 29.

What is the largest prime factor of the number 600851475143?

## JavaScript

See the Pen Problem 3 by Joshua Bee (@JoshuaBee) on CodePen.

The prime factors of 13195 are 5, 7, 13 and 29.

What is the largest prime factor of the number 600851475143?

See the Pen Problem 3 by Joshua Bee (@JoshuaBee) on CodePen.