Q: What are the prime factors of the number 402,452,456?

 A: 2, 7, 7186651

Why are those the prime factors of the number 402,452,456?

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 402,452,456

402,452,456
Factor Arrows
2201,226,228
Factor Arrows
2100,613,114
Factor Arrows
250,306,557
Factor Arrows
77,186,651

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, 7, 7186651

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7,186,651 = 402,452,456

This can also be written as 23 x 71 x 7,186,6511 = 402,452,456

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 402,452,456:


Ask a Question