Q: What are the prime factors of the number 68,857,371?

 A: 3, 11, 109, 709

Why are those the prime factors of the number 68,857,371?

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 68,857,371

68,857,371
Factor Arrows
322,952,457
Factor Arrows
37,650,819
Factor Arrows
32,550,273
Factor Arrows
3850,091
Factor Arrows
1177,281
Factor Arrows
109709

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, 11, 109, 709

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 109 x 709 = 68,857,371

This can also be written as 34 x 111 x 1091 x 7091 = 68,857,371

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 68,857,371:


Ask a Question