Q: What are the prime factors of the number 24,557,823?

 A: 3, 19, 197

Why are those the prime factors of the number 24,557,823?

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 24,557,823

24,557,823
Factor Arrows
38,185,941
Factor Arrows
32,728,647
Factor Arrows
3909,549
Factor Arrows
3303,183
Factor Arrows
3101,061
Factor Arrows
333,687
Factor Arrows
311,229
Factor Arrows
33,743
Factor Arrows
19197

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:

3, 19, 197

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 19 x 197 = 24,557,823

This can also be written as 38 x 191 x 1971 = 24,557,823

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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