Q: What are the prime factors of the number 306,746,040?

 A: 2, 3, 5, 2556217

Why are those the prime factors of the number 306,746,040?

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 306,746,040

306,746,040
Factor Arrows
2153,373,020
Factor Arrows
276,686,510
Factor Arrows
238,343,255
Factor Arrows
312,781,085
Factor Arrows
52,556,217

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, 5, 2556217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 2,556,217 = 306,746,040

This can also be written as 23 x 31 x 51 x 2,556,2171 = 306,746,040

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 306,746,040:


Ask a Question