Q: What are the prime factors of the number 22,521,184?

 A: 2, 7, 53, 271

Why are those the prime factors of the number 22,521,184?

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 22,521,184

22,521,184
Factor Arrows
211,260,592
Factor Arrows
25,630,296
Factor Arrows
22,815,148
Factor Arrows
21,407,574
Factor Arrows
2703,787
Factor Arrows
7100,541
Factor Arrows
714,363
Factor Arrows
53271

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, 53, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 53 x 271 = 22,521,184

This can also be written as 25 x 72 x 531 x 2711 = 22,521,184

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


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