Q: What are the prime factors of the number 520,104?

 A: 2, 3, 13, 1667

Why are those the prime factors of the number 520,104?

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 520,104

520,104
Factor Arrows
2260,052
Factor Arrows
2130,026
Factor Arrows
265,013
Factor Arrows
321,671
Factor Arrows
131,667

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, 13, 1667

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 13 x 1,667 = 520,104

This can also be written as 23 x 31 x 131 x 1,6671 = 520,104

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


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