Q: What are the prime factors of the number 8,260,224?

 A: 2, 3, 7, 439

Why are those the prime factors of the number 8,260,224?

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 8,260,224

8,260,224
Factor Arrows
24,130,112
Factor Arrows
22,065,056
Factor Arrows
21,032,528
Factor Arrows
2516,264
Factor Arrows
2258,132
Factor Arrows
2129,066
Factor Arrows
264,533
Factor Arrows
321,511
Factor Arrows
73,073
Factor Arrows
7439

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, 439

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 3 x 7 x 7 x 439 = 8,260,224

This can also be written as 27 x 31 x 72 x 4391 = 8,260,224

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


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