Q: What are the prime factors of the number 307,153,872?

 A: 2, 3, 37, 57649

Why are those the prime factors of the number 307,153,872?

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 307,153,872

307,153,872
Factor Arrows
2153,576,936
Factor Arrows
276,788,468
Factor Arrows
238,394,234
Factor Arrows
219,197,117
Factor Arrows
36,399,039
Factor Arrows
32,133,013
Factor Arrows
3757,649

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, 37, 57649

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 37 x 57,649 = 307,153,872

This can also be written as 24 x 32 x 371 x 57,6491 = 307,153,872

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 307,153,872:


Ask a Question