Q: What are the prime factors of the number 867,776?

 A: 2, 7, 13, 149

Why are those the prime factors of the number 867,776?

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 867,776

867,776
Factor Arrows
2433,888
Factor Arrows
2216,944
Factor Arrows
2108,472
Factor Arrows
254,236
Factor Arrows
227,118
Factor Arrows
213,559
Factor Arrows
71,937
Factor Arrows
13149

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, 7, 13, 149

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 7 x 13 x 149 = 867,776

This can also be written as 26 x 71 x 131 x 1491 = 867,776

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 867,776:


Ask a Question