Q: What are the prime factors of the number 23,024,736?

 A: 2, 3, 7, 47

Why are those the prime factors of the number 23,024,736?

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 23,024,736

23,024,736
Factor Arrows
211,512,368
Factor Arrows
25,756,184
Factor Arrows
22,878,092
Factor Arrows
21,439,046
Factor Arrows
2719,523
Factor Arrows
3239,841
Factor Arrows
379,947
Factor Arrows
326,649
Factor Arrows
38,883
Factor Arrows
32,961
Factor Arrows
3987
Factor Arrows
3329
Factor Arrows
747

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, 3, 7, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 47 = 23,024,736

This can also be written as 25 x 37 x 71 x 471 = 23,024,736

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


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