Q: What are the prime factors of the number 508,018?

 A: 2, 7, 131, 277

Why are those the prime factors of the number 508,018?

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 508,018

508,018
Factor Arrows
2254,009
Factor Arrows
736,287
Factor Arrows
131277

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, 7, 131, 277

We can check our work by multiplying all of the prime factors together: 2 x 7 x 131 x 277 = 508,018

This can also be written as 21 x 71 x 1311 x 2771 = 508,018

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


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