Q: What are the prime factors of the number 698,802?

 A: 2, 3, 13, 17, 31

Why are those the prime factors of the number 698,802?

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 698,802

698,802
Factor Arrows
2349,401
Factor Arrows
3116,467
Factor Arrows
138,959
Factor Arrows
17527
Factor Arrows
1731

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, 31

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 17 x 17 x 31 = 698,802

This can also be written as 21 x 31 x 131 x 172 x 311 = 698,802

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


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