Q: What are the prime factors of the number 216,500,644?

 A: 2, 17, 103, 30911

Why are those the prime factors of the number 216,500,644?

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 216,500,644

216,500,644
Factor Arrows
2108,250,322
Factor Arrows
254,125,161
Factor Arrows
173,183,833
Factor Arrows
10330,911

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, 17, 103, 30911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 17 x 103 x 30,911 = 216,500,644

This can also be written as 22 x 171 x 1031 x 30,9111 = 216,500,644

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 216,500,644:


Ask a Question