Q: What are the prime factors of the number 13,940,800?

 A: 2, 5, 8713

Why are those the prime factors of the number 13,940,800?

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 13,940,800

13,940,800
Factor Arrows
26,970,400
Factor Arrows
23,485,200
Factor Arrows
21,742,600
Factor Arrows
2871,300
Factor Arrows
2435,650
Factor Arrows
2217,825
Factor Arrows
543,565
Factor Arrows
58,713

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, 8713

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 5 x 5 x 8,713 = 13,940,800

This can also be written as 26 x 52 x 8,7131 = 13,940,800

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 13,940,800:


Ask a Question