Q: What are the prime factors of the number 320,456,450?

 A: 2, 5, 1811, 3539

Why are those the prime factors of the number 320,456,450?

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 320,456,450

320,456,450
Factor Arrows
2160,228,225
Factor Arrows
532,045,645
Factor Arrows
56,409,129
Factor Arrows
1,8113,539

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:

2, 5, 1811, 3539

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 1,811 x 3,539 = 320,456,450

This can also be written as 21 x 52 x 1,8111 x 3,5391 = 320,456,450

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 320,456,450:


Ask a Question