Q: What are the prime factors of the number 778,304?

 A: 2, 12161

Why are those the prime factors of the number 778,304?

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 778,304

778,304
Factor Arrows
2389,152
Factor Arrows
2194,576
Factor Arrows
297,288
Factor Arrows
248,644
Factor Arrows
224,322
Factor Arrows
212,161

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, 12161

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 12,161 = 778,304

This can also be written as 26 x 12,1611 = 778,304

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 778,304:


Ask a Question