Q: What are the prime factors of the number 870,887,240?

 A: 2, 5, 61, 241, 1481

Why are those the prime factors of the number 870,887,240?

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 870,887,240

870,887,240
Factor Arrows
2435,443,620
Factor Arrows
2217,721,810
Factor Arrows
2108,860,905
Factor Arrows
521,772,181
Factor Arrows
61356,921
Factor Arrows
2411,481

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, 61, 241, 1481

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 61 x 241 x 1,481 = 870,887,240

This can also be written as 23 x 51 x 611 x 2411 x 1,4811 = 870,887,240

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 870,887,240:


Ask a Question