Q: What are the prime factors of the number 489,060?

 A: 2, 3, 5, 11, 13, 19

Why are those the prime factors of the number 489,060?

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 489,060

489,060
Factor Arrows
2244,530
Factor Arrows
2122,265
Factor Arrows
340,755
Factor Arrows
313,585
Factor Arrows
52,717
Factor Arrows
11247
Factor Arrows
1319

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, 11, 13, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 11 x 13 x 19 = 489,060

This can also be written as 22 x 32 x 51 x 111 x 131 x 191 = 489,060

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 489,060:


Ask a Question