Q: What are the prime factors of the number 922,720?

 A: 2, 5, 73, 79

Why are those the prime factors of the number 922,720?

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 922,720

922,720
Factor Arrows
2461,360
Factor Arrows
2230,680
Factor Arrows
2115,340
Factor Arrows
257,670
Factor Arrows
228,835
Factor Arrows
55,767
Factor Arrows
7379

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, 73, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 73 x 79 = 922,720

This can also be written as 25 x 51 x 731 x 791 = 922,720

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 922,720:


Ask a Question