Q: What are the prime factors of the number 12,578,784?

 A: 2, 3, 283, 463

Why are those the prime factors of the number 12,578,784?

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 12,578,784

12,578,784
Factor Arrows
26,289,392
Factor Arrows
23,144,696
Factor Arrows
21,572,348
Factor Arrows
2786,174
Factor Arrows
2393,087
Factor Arrows
3131,029
Factor Arrows
283463

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, 283, 463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 283 x 463 = 12,578,784

This can also be written as 25 x 31 x 2831 x 4631 = 12,578,784

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 12,578,784:


Ask a Question