Q: What are the prime factors of the number 51,984?

 A: 2, 3, 19

Why are those the prime factors of the number 51,984?

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 51,984

51,984
Factor Arrows
225,992
Factor Arrows
212,996
Factor Arrows
26,498
Factor Arrows
23,249
Factor Arrows
31,083
Factor Arrows
3361
Factor Arrows
1919

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, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 19 x 19 = 51,984

This can also be written as 24 x 32 x 192 = 51,984

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 51,984:


Ask a Question