Q: What are the prime factors of the number 308,480?

 A: 2, 5, 241

Why are those the prime factors of the number 308,480?

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 308,480

308,480
Factor Arrows
2154,240
Factor Arrows
277,120
Factor Arrows
238,560
Factor Arrows
219,280
Factor Arrows
29,640
Factor Arrows
24,820
Factor Arrows
22,410
Factor Arrows
21,205
Factor Arrows
5241

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, 5, 241

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 2 x 2 x 5 x 241 = 308,480

This can also be written as 28 x 51 x 2411 = 308,480

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 308,480:


Ask a Question