Q: What are the prime factors of the number 879,312?

 A: 2, 3, 7, 2617

Why are those the prime factors of the number 879,312?

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 879,312

879,312
Factor Arrows
2439,656
Factor Arrows
2219,828
Factor Arrows
2109,914
Factor Arrows
254,957
Factor Arrows
318,319
Factor Arrows
72,617

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, 7, 2617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 2,617 = 879,312

This can also be written as 24 x 31 x 71 x 2,6171 = 879,312

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 879,312:


Ask a Question