Q: What are the prime factors of the number 25,878,204?

 A: 2, 3, 11, 53, 137

Why are those the prime factors of the number 25,878,204?

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 25,878,204

25,878,204
Factor Arrows
212,939,102
Factor Arrows
26,469,551
Factor Arrows
32,156,517
Factor Arrows
3718,839
Factor Arrows
3239,613
Factor Arrows
379,871
Factor Arrows
117,261
Factor Arrows
53137

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, 11, 53, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 11 x 53 x 137 = 25,878,204

This can also be written as 22 x 34 x 111 x 531 x 1371 = 25,878,204

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 25,878,204:


Ask a Question