Q: What are the prime factors of the number 520,524?

 A: 2, 3, 19, 761

Why are those the prime factors of the number 520,524?

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 520,524

520,524
Factor Arrows
2260,262
Factor Arrows
2130,131
Factor Arrows
343,377
Factor Arrows
314,459
Factor Arrows
19761

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, 19, 761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 761 = 520,524

This can also be written as 22 x 32 x 191 x 7611 = 520,524

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


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