Q: What are the prime factors of the number 918,304?

 A: 2, 28697

Why are those the prime factors of the number 918,304?

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 918,304

918,304
Factor Arrows
2459,152
Factor Arrows
2229,576
Factor Arrows
2114,788
Factor Arrows
257,394
Factor Arrows
228,697

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, 28697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 28,697 = 918,304

This can also be written as 25 x 28,6971 = 918,304

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 918,304:


Ask a Question