Q: What are the prime factors of the number 24,422,144?

 A: 2, 19, 5021

Why are those the prime factors of the number 24,422,144?

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 24,422,144

24,422,144
Factor Arrows
212,211,072
Factor Arrows
26,105,536
Factor Arrows
23,052,768
Factor Arrows
21,526,384
Factor Arrows
2763,192
Factor Arrows
2381,596
Factor Arrows
2190,798
Factor Arrows
295,399
Factor Arrows
195,021

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, 19, 5021

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 19 x 5,021 = 24,422,144

This can also be written as 28 x 191 x 5,0211 = 24,422,144

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


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