Q: What are the prime factors of the number 30,221,424?

 A: 2, 3, 2591

Why are those the prime factors of the number 30,221,424?

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 30,221,424

30,221,424
Factor Arrows
215,110,712
Factor Arrows
27,555,356
Factor Arrows
23,777,678
Factor Arrows
21,888,839
Factor Arrows
3629,613
Factor Arrows
3209,871
Factor Arrows
369,957
Factor Arrows
323,319
Factor Arrows
37,773
Factor Arrows
32,591

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, 2591

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 2,591 = 30,221,424

This can also be written as 24 x 36 x 2,5911 = 30,221,424

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 30,221,424:


Ask a Question