Q: What are the prime factors of the number 303,405?

 A: 3, 5, 113, 179

Why are those the prime factors of the number 303,405?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 303,405

303,405
Factor Arrows
3101,135
Factor Arrows
520,227
Factor Arrows
113179

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 5, 113, 179

We can check our work by multiplying all of the prime factors together: 3 x 5 x 113 x 179 = 303,405

This can also be written as 31 x 51 x 1131 x 1791 = 303,405

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 303,405:


Ask a Question