Q: What are the prime factors of the number 698,312?

 A: 2, 41, 2129

Why are those the prime factors of the number 698,312?

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 698,312

698,312
Factor Arrows
2349,156
Factor Arrows
2174,578
Factor Arrows
287,289
Factor Arrows
412,129

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, 41, 2129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 41 x 2,129 = 698,312

This can also be written as 23 x 411 x 2,1291 = 698,312

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


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