Q: What are the prime factors of the number 814,000?

 A: 2, 5, 11, 37

Why are those the prime factors of the number 814,000?

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 814,000

814,000
Factor Arrows
2407,000
Factor Arrows
2203,500
Factor Arrows
2101,750
Factor Arrows
250,875
Factor Arrows
510,175
Factor Arrows
52,035
Factor Arrows
5407
Factor Arrows
1137

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, 11, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 11 x 37 = 814,000

This can also be written as 24 x 53 x 111 x 371 = 814,000

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 814,000:


Ask a Question