Q: What are the prime factors of the number 38,674,131?

 A: 3, 103, 257, 487

Why are those the prime factors of the number 38,674,131?

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 38,674,131

38,674,131
Factor Arrows
312,891,377
Factor Arrows
103125,159
Factor Arrows
257487

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:

3, 103, 257, 487

We can check our work by multiplying all of the prime factors together: 3 x 103 x 257 x 487 = 38,674,131

This can also be written as 31 x 1031 x 2571 x 4871 = 38,674,131

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 38,674,131:


Ask a Question