Q: What are the prime factors of the number 511,224?

 A: 2, 3, 7, 17, 179

Why are those the prime factors of the number 511,224?

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 511,224

511,224
Factor Arrows
2255,612
Factor Arrows
2127,806
Factor Arrows
263,903
Factor Arrows
321,301
Factor Arrows
73,043
Factor Arrows
17179

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, 7, 17, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 17 x 179 = 511,224

This can also be written as 23 x 31 x 71 x 171 x 1791 = 511,224

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


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