Q: What are the prime factors of the number 445,104?

 A: 2, 3, 11, 281

Why are those the prime factors of the number 445,104?

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 445,104

445,104
Factor Arrows
2222,552
Factor Arrows
2111,276
Factor Arrows
255,638
Factor Arrows
227,819
Factor Arrows
39,273
Factor Arrows
33,091
Factor Arrows
11281

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, 11, 281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 11 x 281 = 445,104

This can also be written as 24 x 32 x 111 x 2811 = 445,104

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 445,104:


Ask a Question