Q: What are the prime factors of the number 698,496?

 A: 2, 3, 17, 107

Why are those the prime factors of the number 698,496?

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 698,496

698,496
Factor Arrows
2349,248
Factor Arrows
2174,624
Factor Arrows
287,312
Factor Arrows
243,656
Factor Arrows
221,828
Factor Arrows
210,914
Factor Arrows
25,457
Factor Arrows
31,819
Factor Arrows
17107

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, 17, 107

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 2 x 3 x 17 x 107 = 698,496

This can also be written as 27 x 31 x 171 x 1071 = 698,496

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


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