Q: What are the prime factors of the number 1,327,392?

 A: 2, 3, 11, 419

Why are those the prime factors of the number 1,327,392?

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 1,327,392

1,327,392
Factor Arrows
2663,696
Factor Arrows
2331,848
Factor Arrows
2165,924
Factor Arrows
282,962
Factor Arrows
241,481
Factor Arrows
313,827
Factor Arrows
34,609
Factor Arrows
11419

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, 419

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 11 x 419 = 1,327,392

This can also be written as 25 x 32 x 111 x 4191 = 1,327,392

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 1,327,392:


Ask a Question