Q: What are the prime factors of the number 520,290?

 A: 2, 3, 5, 41, 47

Why are those the prime factors of the number 520,290?

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 520,290

520,290
Factor Arrows
2260,145
Factor Arrows
386,715
Factor Arrows
328,905
Factor Arrows
39,635
Factor Arrows
51,927
Factor Arrows
4147

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, 5, 41, 47

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 41 x 47 = 520,290

This can also be written as 21 x 33 x 51 x 411 x 471 = 520,290

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 520,290:


Ask a Question