Q: What are the prime factors of the number 213,231,424?

 A: 2, 7, 103, 4621

Why are those the prime factors of the number 213,231,424?

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 213,231,424

213,231,424
Factor Arrows
2106,615,712
Factor Arrows
253,307,856
Factor Arrows
226,653,928
Factor Arrows
213,326,964
Factor Arrows
26,663,482
Factor Arrows
23,331,741
Factor Arrows
7475,963
Factor Arrows
1034,621

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, 7, 103, 4621

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 7 x 103 x 4,621 = 213,231,424

This can also be written as 26 x 71 x 1031 x 4,6211 = 213,231,424

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 213,231,424:


Ask a Question