Q: What are the prime factors of the number 402,241,324?

 A: 2, 19, 41, 129089

Why are those the prime factors of the number 402,241,324?

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 402,241,324

402,241,324
Factor Arrows
2201,120,662
Factor Arrows
2100,560,331
Factor Arrows
195,292,649
Factor Arrows
41129,089

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, 19, 41, 129089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 41 x 129,089 = 402,241,324

This can also be written as 22 x 191 x 411 x 129,0891 = 402,241,324

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 402,241,324:


Ask a Question