Q: What are the prime factors of the number 10,321,506?

 A: 2, 3, 13, 29

Why are those the prime factors of the number 10,321,506?

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 10,321,506

10,321,506
Factor Arrows
25,160,753
Factor Arrows
31,720,251
Factor Arrows
3573,417
Factor Arrows
3191,139
Factor Arrows
363,713
Factor Arrows
134,901
Factor Arrows
13377
Factor Arrows
1329

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, 3, 13, 29

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 13 x 13 x 13 x 29 = 10,321,506

This can also be written as 21 x 34 x 133 x 291 = 10,321,506

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 10,321,506:


Ask a Question