Q: What are the prime factors of the number 675,045?

 A: 3, 5, 7, 2143

Why are those the prime factors of the number 675,045?

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 675,045

675,045
Factor Arrows
3225,015
Factor Arrows
375,005
Factor Arrows
515,001
Factor Arrows
72,143

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:

3, 5, 7, 2143

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 2,143 = 675,045

This can also be written as 32 x 51 x 71 x 2,1431 = 675,045

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 675,045:


Ask a Question