Q: What are the prime factors of the number 200,200,210?

 A: 2, 5, 7, 107, 26729

Why are those the prime factors of the number 200,200,210?

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 200,200,210

200,200,210
Factor Arrows
2100,100,105
Factor Arrows
520,020,021
Factor Arrows
72,860,003
Factor Arrows
10726,729

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, 5, 7, 107, 26729

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 107 x 26,729 = 200,200,210

This can also be written as 21 x 51 x 71 x 1071 x 26,7291 = 200,200,210

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 200,200,210:


Ask a Question