Q: What are the prime factors of the number 1,808,576?

 A: 2, 7, 11, 367

Why are those the prime factors of the number 1,808,576?

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 1,808,576

1,808,576
Factor Arrows
2904,288
Factor Arrows
2452,144
Factor Arrows
2226,072
Factor Arrows
2113,036
Factor Arrows
256,518
Factor Arrows
228,259
Factor Arrows
74,037
Factor Arrows
11367

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, 7, 11, 367

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 7 x 11 x 367 = 1,808,576

This can also be written as 26 x 71 x 111 x 3671 = 1,808,576

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 1,808,576:


Ask a Question