Q: What are the prime factors of the number 505,104?

 A: 2, 3, 17, 619

Why are those the prime factors of the number 505,104?

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 505,104

505,104
Factor Arrows
2252,552
Factor Arrows
2126,276
Factor Arrows
263,138
Factor Arrows
231,569
Factor Arrows
310,523
Factor Arrows
17619

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, 17, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 619 = 505,104

This can also be written as 24 x 31 x 171 x 6191 = 505,104

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


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