Q: What are the prime factors of the number 430,272?

 A: 2, 3, 83

Why are those the prime factors of the number 430,272?

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 430,272

430,272
Factor Arrows
2215,136
Factor Arrows
2107,568
Factor Arrows
253,784
Factor Arrows
226,892
Factor Arrows
213,446
Factor Arrows
26,723
Factor Arrows
32,241
Factor Arrows
3747
Factor Arrows
3249
Factor Arrows
383

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, 83

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 3 x 3 x 3 x 3 x 83 = 430,272

This can also be written as 26 x 34 x 831 = 430,272

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 430,272:


Ask a Question