Q: What are the prime factors of the number 8,100,224?

 A: 2, 11, 523

Why are those the prime factors of the number 8,100,224?

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 8,100,224

8,100,224
Factor Arrows
24,050,112
Factor Arrows
22,025,056
Factor Arrows
21,012,528
Factor Arrows
2506,264
Factor Arrows
2253,132
Factor Arrows
2126,566
Factor Arrows
263,283
Factor Arrows
115,753
Factor Arrows
11523

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, 11, 523

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 11 x 11 x 523 = 8,100,224

This can also be written as 27 x 112 x 5231 = 8,100,224

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


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