Q: What are the prime factors of the number 693,576?

 A: 2, 3, 13, 19

Why are those the prime factors of the number 693,576?

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 693,576

693,576
Factor Arrows
2346,788
Factor Arrows
2173,394
Factor Arrows
286,697
Factor Arrows
328,899
Factor Arrows
39,633
Factor Arrows
33,211
Factor Arrows
13247
Factor Arrows
1319

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, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 13 x 13 x 19 = 693,576

This can also be written as 23 x 33 x 132 x 191 = 693,576

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


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