Q: What are the prime factors of the number 405,184,272?

 A: 2, 3, 19, 444281

Why are those the prime factors of the number 405,184,272?

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 405,184,272

405,184,272
Factor Arrows
2202,592,136
Factor Arrows
2101,296,068
Factor Arrows
250,648,034
Factor Arrows
225,324,017
Factor Arrows
38,441,339
Factor Arrows
19444,281

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, 19, 444281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 19 x 444,281 = 405,184,272

This can also be written as 24 x 31 x 191 x 444,2811 = 405,184,272

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 405,184,272:


Ask a Question