Q: What are the prime factors of the number 13,432,576?

 A: 2, 137, 383

Why are those the prime factors of the number 13,432,576?

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 13,432,576

13,432,576
Factor Arrows
26,716,288
Factor Arrows
23,358,144
Factor Arrows
21,679,072
Factor Arrows
2839,536
Factor Arrows
2419,768
Factor Arrows
2209,884
Factor Arrows
2104,942
Factor Arrows
252,471
Factor Arrows
137383

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, 137, 383

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 137 x 383 = 13,432,576

This can also be written as 28 x 1371 x 3831 = 13,432,576

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 13,432,576:


Ask a Question