Q: What are the prime factors of the number 10,521,657?

 A: 3, 17, 283

Why are those the prime factors of the number 10,521,657?

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 10,521,657

10,521,657
Factor Arrows
33,507,219
Factor Arrows
31,169,073
Factor Arrows
3389,691
Factor Arrows
3129,897
Factor Arrows
343,299
Factor Arrows
314,433
Factor Arrows
34,811
Factor Arrows
17283

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, 17, 283

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 17 x 283 = 10,521,657

This can also be written as 37 x 171 x 2831 = 10,521,657

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 10,521,657:


Ask a Question