Q: What are the prime factors of the number 706,851,508?

 A: 2, 11, 103, 1289

Why are those the prime factors of the number 706,851,508?

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 706,851,508

706,851,508
Factor Arrows
2353,425,754
Factor Arrows
2176,712,877
Factor Arrows
1116,064,807
Factor Arrows
111,460,437
Factor Arrows
11132,767
Factor Arrows
1031,289

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, 11, 103, 1289

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 11 x 11 x 103 x 1,289 = 706,851,508

This can also be written as 22 x 113 x 1031 x 1,2891 = 706,851,508

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 706,851,508:


Ask a Question