Q: What are the prime factors of the number 771,579?

 A: 3, 17, 41

Why are those the prime factors of the number 771,579?

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 771,579

771,579
Factor Arrows
3257,193
Factor Arrows
385,731
Factor Arrows
328,577
Factor Arrows
171,681
Factor Arrows
4141

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, 17, 41

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 17 x 41 x 41 = 771,579

This can also be written as 33 x 171 x 412 = 771,579

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 771,579:


Ask a Question