Q: What are the prime factors of the number 998,431?

 A: 7, 19, 7507

Why are those the prime factors of the number 998,431?

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 998,431

998,431
Factor Arrows
7142,633
Factor Arrows
197,507

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:

7, 19, 7507

We can check our work by multiplying all of the prime factors together: 7 x 19 x 7,507 = 998,431

This can also be written as 71 x 191 x 7,5071 = 998,431

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 998,431:


Ask a Question