Q: What are the prime factors of the number 6,817,668?

 A: 2, 3, 11, 13, 29, 137

Why are those the prime factors of the number 6,817,668?

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 6,817,668

6,817,668
Factor Arrows
23,408,834
Factor Arrows
21,704,417
Factor Arrows
3568,139
Factor Arrows
1151,649
Factor Arrows
133,973
Factor Arrows
29137

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, 11, 13, 29, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 13 x 29 x 137 = 6,817,668

This can also be written as 22 x 31 x 111 x 131 x 291 x 1371 = 6,817,668

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


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