Q: What are the prime factors of the number 531,164?

 A: 2, 19, 29, 241

Why are those the prime factors of the number 531,164?

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 531,164

531,164
Factor Arrows
2265,582
Factor Arrows
2132,791
Factor Arrows
196,989
Factor Arrows
29241

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, 19, 29, 241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 29 x 241 = 531,164

This can also be written as 22 x 191 x 291 x 2411 = 531,164

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


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