Q: What are the prime factors of the number 856,070,514?

 A: 2, 3, 13, 347, 811

Why are those the prime factors of the number 856,070,514?

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 856,070,514

856,070,514
Factor Arrows
2428,035,257
Factor Arrows
3142,678,419
Factor Arrows
347,559,473
Factor Arrows
133,658,421
Factor Arrows
13281,417
Factor Arrows
347811

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, 13, 347, 811

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 13 x 347 x 811 = 856,070,514

This can also be written as 21 x 32 x 132 x 3471 x 8111 = 856,070,514

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 856,070,514:


Ask a Question