Q: What are the prime factors of the number 35,723,290?

 A: 2, 5, 17, 47, 263

Why are those the prime factors of the number 35,723,290?

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 35,723,290

35,723,290
Factor Arrows
217,861,645
Factor Arrows
53,572,329
Factor Arrows
17210,137
Factor Arrows
1712,361
Factor Arrows
47263

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, 5, 17, 47, 263

We can check our work by multiplying all of the prime factors together: 2 x 5 x 17 x 17 x 47 x 263 = 35,723,290

This can also be written as 21 x 51 x 172 x 471 x 2631 = 35,723,290

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 35,723,290:


Ask a Question