Q: What are the prime factors of the number 289,541?

 A: 7, 19, 311

Why are those the prime factors of the number 289,541?

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 289,541

289,541
Factor Arrows
741,363
Factor Arrows
75,909
Factor Arrows
19311

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:

7, 19, 311

We can check our work by multiplying all of the prime factors together: 7 x 7 x 19 x 311 = 289,541

This can also be written as 72 x 191 x 3111 = 289,541

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 289,541:


Ask a Question