Q: What are the prime factors of the number 320,265,176?

 A: 2, 7, 11, 17, 257

Why are those the prime factors of the number 320,265,176?

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 320,265,176

320,265,176
Factor Arrows
2160,132,588
Factor Arrows
280,066,294
Factor Arrows
240,033,147
Factor Arrows
75,719,021
Factor Arrows
7817,003
Factor Arrows
1174,273
Factor Arrows
174,369
Factor Arrows
17257

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, 11, 17, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 11 x 17 x 17 x 257 = 320,265,176

This can also be written as 23 x 72 x 111 x 172 x 2571 = 320,265,176

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 320,265,176:


Ask a Question