Q: What are the prime factors of the number 1,161,504?

 A: 2, 3, 37, 109

Why are those the prime factors of the number 1,161,504?

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 1,161,504

1,161,504
Factor Arrows
2580,752
Factor Arrows
2290,376
Factor Arrows
2145,188
Factor Arrows
272,594
Factor Arrows
236,297
Factor Arrows
312,099
Factor Arrows
34,033
Factor Arrows
37109

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, 37, 109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 37 x 109 = 1,161,504

This can also be written as 25 x 32 x 371 x 1091 = 1,161,504

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 1,161,504:


Ask a Question