Q: What are the prime factors of the number 202,217,620?

 A: 2, 5, 11, 83561

Why are those the prime factors of the number 202,217,620?

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 202,217,620

202,217,620
Factor Arrows
2101,108,810
Factor Arrows
250,554,405
Factor Arrows
510,110,881
Factor Arrows
11919,171
Factor Arrows
1183,561

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, 11, 83561

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 11 x 83,561 = 202,217,620

This can also be written as 22 x 51 x 112 x 83,5611 = 202,217,620

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 202,217,620:


Ask a Question