Q: What are the prime factors of the number 400,100,044?

 A: 2, 709, 141079

Why are those the prime factors of the number 400,100,044?

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 400,100,044

400,100,044
Factor Arrows
2200,050,022
Factor Arrows
2100,025,011
Factor Arrows
709141,079

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, 709, 141079

We can check our work by multiplying all of the prime factors together: 2 x 2 x 709 x 141,079 = 400,100,044

This can also be written as 22 x 7091 x 141,0791 = 400,100,044

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 400,100,044:


Ask a Question