Q: What are the prime factors of the number 19,012,497?

 A: 3, 7, 251, 3607

Why are those the prime factors of the number 19,012,497?

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 19,012,497

19,012,497
Factor Arrows
36,337,499
Factor Arrows
7905,357
Factor Arrows
2513,607

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, 7, 251, 3607

We can check our work by multiplying all of the prime factors together: 3 x 7 x 251 x 3,607 = 19,012,497

This can also be written as 31 x 71 x 2511 x 3,6071 = 19,012,497

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 19,012,497:


Ask a Question