Q: What are the prime factors of the number 82,046,688?

 A: 2, 3, 757, 1129

Why are those the prime factors of the number 82,046,688?

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 82,046,688

82,046,688
Factor Arrows
241,023,344
Factor Arrows
220,511,672
Factor Arrows
210,255,836
Factor Arrows
25,127,918
Factor Arrows
22,563,959
Factor Arrows
3854,653
Factor Arrows
7571,129

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, 3, 757, 1129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 757 x 1,129 = 82,046,688

This can also be written as 25 x 31 x 7571 x 1,1291 = 82,046,688

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 82,046,688:


Ask a Question