Q: What are the prime factors of the number 693,936?

 A: 2, 3, 61, 79

Why are those the prime factors of the number 693,936?

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 693,936

693,936
Factor Arrows
2346,968
Factor Arrows
2173,484
Factor Arrows
286,742
Factor Arrows
243,371
Factor Arrows
314,457
Factor Arrows
34,819
Factor Arrows
6179

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, 61, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 61 x 79 = 693,936

This can also be written as 24 x 32 x 611 x 791 = 693,936

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


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