Q: What are the prime factors of the number 520,548?

 A: 2, 3, 7, 6197

Why are those the prime factors of the number 520,548?

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 520,548

520,548
Factor Arrows
2260,274
Factor Arrows
2130,137
Factor Arrows
343,379
Factor Arrows
76,197

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, 6197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 6,197 = 520,548

This can also be written as 22 x 31 x 71 x 6,1971 = 520,548

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


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