Q: What are the prime factors of the number 24,978,368?

 A: 2, 23, 71, 239

Why are those the prime factors of the number 24,978,368?

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 24,978,368

24,978,368
Factor Arrows
212,489,184
Factor Arrows
26,244,592
Factor Arrows
23,122,296
Factor Arrows
21,561,148
Factor Arrows
2780,574
Factor Arrows
2390,287
Factor Arrows
2316,969
Factor Arrows
71239

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, 23, 71, 239

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 23 x 71 x 239 = 24,978,368

This can also be written as 26 x 231 x 711 x 2391 = 24,978,368

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 24,978,368:


Ask a Question