Q: What are the prime factors of the number 19,948?

 A: 2, 4987

Why are those the prime factors of the number 19,948?

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 19,948

19,948
Factor Arrows
29,974
Factor Arrows
24,987

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, 4987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 4,987 = 19,948

This can also be written as 22 x 4,9871 = 19,948

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 19,948:


Ask a Question