Q: What are the prime factors of the number 537,072?

 A: 2, 3, 67, 167

Why are those the prime factors of the number 537,072?

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 537,072

537,072
Factor Arrows
2268,536
Factor Arrows
2134,268
Factor Arrows
267,134
Factor Arrows
233,567
Factor Arrows
311,189
Factor Arrows
67167

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, 67, 167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 67 x 167 = 537,072

This can also be written as 24 x 31 x 671 x 1671 = 537,072

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


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