Q: What are the prime factors of the number 20,194,839?

 A: 3, 7, 35617

Why are those the prime factors of the number 20,194,839?

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 20,194,839

20,194,839
Factor Arrows
36,731,613
Factor Arrows
32,243,871
Factor Arrows
3747,957
Factor Arrows
3249,319
Factor Arrows
735,617

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, 7, 35617

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 35,617 = 20,194,839

This can also be written as 34 x 71 x 35,6171 = 20,194,839

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 20,194,839:


Ask a Question