Q: What are the prime factors of the number 201,403,020?

 A: 2, 3, 5, 7, 13, 36887

Why are those the prime factors of the number 201,403,020?

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 201,403,020

201,403,020
Factor Arrows
2100,701,510
Factor Arrows
250,350,755
Factor Arrows
316,783,585
Factor Arrows
53,356,717
Factor Arrows
7479,531
Factor Arrows
1336,887

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, 5, 7, 13, 36887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 13 x 36,887 = 201,403,020

This can also be written as 22 x 31 x 51 x 71 x 131 x 36,8871 = 201,403,020

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 201,403,020:


Ask a Question