Q: What are the prime factors of the number 6,618,304?

 A: 2, 7, 11, 17, 79

Why are those the prime factors of the number 6,618,304?

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 6,618,304

6,618,304
Factor Arrows
23,309,152
Factor Arrows
21,654,576
Factor Arrows
2827,288
Factor Arrows
2413,644
Factor Arrows
2206,822
Factor Arrows
2103,411
Factor Arrows
714,773
Factor Arrows
111,343
Factor Arrows
1779

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, 11, 17, 79

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 7 x 11 x 17 x 79 = 6,618,304

This can also be written as 26 x 71 x 111 x 171 x 791 = 6,618,304

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


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