Q: What are the prime factors of the number 549,144?

 A: 2, 3, 29, 263

Why are those the prime factors of the number 549,144?

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 549,144

549,144
Factor Arrows
2274,572
Factor Arrows
2137,286
Factor Arrows
268,643
Factor Arrows
322,881
Factor Arrows
37,627
Factor Arrows
29263

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, 29, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 29 x 263 = 549,144

This can also be written as 23 x 32 x 291 x 2631 = 549,144

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


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