Q: What are the prime factors of the number 158,481,280?

 A: 2, 5, 19, 13033

Why are those the prime factors of the number 158,481,280?

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 158,481,280

158,481,280
Factor Arrows
279,240,640
Factor Arrows
239,620,320
Factor Arrows
219,810,160
Factor Arrows
29,905,080
Factor Arrows
24,952,540
Factor Arrows
22,476,270
Factor Arrows
21,238,135
Factor Arrows
5247,627
Factor Arrows
1913,033

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, 19, 13033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 19 x 13,033 = 158,481,280

This can also be written as 27 x 51 x 191 x 13,0331 = 158,481,280

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 158,481,280:


Ask a Question