Q: What are the prime factors of the number 213,210,240?

 A: 2, 3, 5, 293, 379

Why are those the prime factors of the number 213,210,240?

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 213,210,240

213,210,240
Factor Arrows
2106,605,120
Factor Arrows
253,302,560
Factor Arrows
226,651,280
Factor Arrows
213,325,640
Factor Arrows
26,662,820
Factor Arrows
23,331,410
Factor Arrows
21,665,705
Factor Arrows
3555,235
Factor Arrows
5111,047
Factor Arrows
293379

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, 293, 379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 293 x 379 = 213,210,240

This can also be written as 27 x 31 x 51 x 2931 x 3791 = 213,210,240

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 213,210,240:


Ask a Question