Q: What are the prime factors of the number 406,473,200?

 A: 2, 5, 7, 179, 811

Why are those the prime factors of the number 406,473,200?

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 406,473,200

406,473,200
Factor Arrows
2203,236,600
Factor Arrows
2101,618,300
Factor Arrows
250,809,150
Factor Arrows
225,404,575
Factor Arrows
55,080,915
Factor Arrows
51,016,183
Factor Arrows
7145,169
Factor Arrows
179811

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, 7, 179, 811

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 7 x 179 x 811 = 406,473,200

This can also be written as 24 x 52 x 71 x 1791 x 8111 = 406,473,200

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 406,473,200:


Ask a Question