Q: What are the prime factors of the number 24,422,972?

 A: 2, 7, 2543

Why are those the prime factors of the number 24,422,972?

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 24,422,972

24,422,972
Factor Arrows
212,211,486
Factor Arrows
26,105,743
Factor Arrows
7872,249
Factor Arrows
7124,607
Factor Arrows
717,801
Factor Arrows
72,543

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, 7, 2543

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 7 x 7 x 2,543 = 24,422,972

This can also be written as 22 x 74 x 2,5431 = 24,422,972

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


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