Q: What are the prime factors of the number 82,717,690?

 A: 2, 5, 11, 179, 4201

Why are those the prime factors of the number 82,717,690?

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 82,717,690

82,717,690
Factor Arrows
241,358,845
Factor Arrows
58,271,769
Factor Arrows
11751,979
Factor Arrows
1794,201

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, 11, 179, 4201

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 179 x 4,201 = 82,717,690

This can also be written as 21 x 51 x 111 x 1791 x 4,2011 = 82,717,690

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 82,717,690:


Ask a Question