Q: What are the prime factors of the number 955,990?

 A: 2, 5, 7, 1951

Why are those the prime factors of the number 955,990?

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 955,990

955,990
Factor Arrows
2477,995
Factor Arrows
595,599
Factor Arrows
713,657
Factor Arrows
71,951

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, 5, 7, 1951

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 1,951 = 955,990

This can also be written as 21 x 51 x 72 x 1,9511 = 955,990

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 955,990:


Ask a Question