Q: What are the prime factors of the number 438,360?

 A: 2, 3, 5, 13, 281

Why are those the prime factors of the number 438,360?

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 438,360

438,360
Factor Arrows
2219,180
Factor Arrows
2109,590
Factor Arrows
254,795
Factor Arrows
318,265
Factor Arrows
53,653
Factor Arrows
13281

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, 13, 281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 13 x 281 = 438,360

This can also be written as 23 x 31 x 51 x 131 x 2811 = 438,360

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 438,360:


Ask a Question