Q: What are the prime factors of the number 13,928,880?

 A: 2, 3, 5, 7, 8291

Why are those the prime factors of the number 13,928,880?

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 13,928,880

13,928,880
Factor Arrows
26,964,440
Factor Arrows
23,482,220
Factor Arrows
21,741,110
Factor Arrows
2870,555
Factor Arrows
3290,185
Factor Arrows
558,037
Factor Arrows
78,291

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, 7, 8291

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 7 x 8,291 = 13,928,880

This can also be written as 24 x 31 x 51 x 71 x 8,2911 = 13,928,880

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 13,928,880:


Ask a Question