Q: What are the prime factors of the number 516,664?

 A: 2, 17, 29, 131

Why are those the prime factors of the number 516,664?

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 516,664

516,664
Factor Arrows
2258,332
Factor Arrows
2129,166
Factor Arrows
264,583
Factor Arrows
173,799
Factor Arrows
29131

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, 17, 29, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 29 x 131 = 516,664

This can also be written as 23 x 171 x 291 x 1311 = 516,664

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


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