Q: What are the prime factors of the number 987,888?

 A: 2, 3, 11, 1871

Why are those the prime factors of the number 987,888?

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 987,888

987,888
Factor Arrows
2493,944
Factor Arrows
2246,972
Factor Arrows
2123,486
Factor Arrows
261,743
Factor Arrows
320,581
Factor Arrows
111,871

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, 11, 1871

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 1,871 = 987,888

This can also be written as 24 x 31 x 111 x 1,8711 = 987,888

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 987,888:


Ask a Question