Q: What are the prime factors of the number 2,019,303?

 A: 3, 11, 13, 523

Why are those the prime factors of the number 2,019,303?

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 2,019,303

2,019,303
Factor Arrows
3673,101
Factor Arrows
3224,367
Factor Arrows
374,789
Factor Arrows
116,799
Factor Arrows
13523

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, 11, 13, 523

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 13 x 523 = 2,019,303

This can also be written as 33 x 111 x 131 x 5231 = 2,019,303

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 2,019,303:


Ask a Question