Q: What are the prime factors of the number 40,400,019?

 A: 3, 11, 136027

Why are those the prime factors of the number 40,400,019?

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 40,400,019

40,400,019
Factor Arrows
313,466,673
Factor Arrows
34,488,891
Factor Arrows
31,496,297
Factor Arrows
11136,027

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:

3, 11, 136027

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 136,027 = 40,400,019

This can also be written as 33 x 111 x 136,0271 = 40,400,019

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 40,400,019:


Ask a Question