Q: What are the prime factors of the number 15,623,895?

 A: 3, 5, 7, 29, 733

Why are those the prime factors of the number 15,623,895?

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 15,623,895

15,623,895
Factor Arrows
35,207,965
Factor Arrows
51,041,593
Factor Arrows
7148,799
Factor Arrows
721,257
Factor Arrows
29733

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, 5, 7, 29, 733

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 29 x 733 = 15,623,895

This can also be written as 31 x 51 x 72 x 291 x 7331 = 15,623,895

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 15,623,895:


Ask a Question