Q: What are the prime factors of the number 8,816,574?

 A: 2, 3, 13, 17, 61, 109

Why are those the prime factors of the number 8,816,574?

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 8,816,574

8,816,574
Factor Arrows
24,408,287
Factor Arrows
31,469,429
Factor Arrows
13113,033
Factor Arrows
176,649
Factor Arrows
61109

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, 13, 17, 61, 109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 17 x 61 x 109 = 8,816,574

This can also be written as 21 x 31 x 131 x 171 x 611 x 1091 = 8,816,574

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


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