Q: What are the prime factors of the number 45,549?

 A: 3, 7, 241

Why are those the prime factors of the number 45,549?

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 45,549

45,549
Factor Arrows
315,183
Factor Arrows
35,061
Factor Arrows
31,687
Factor Arrows
7241

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:

3, 7, 241

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 241 = 45,549

This can also be written as 33 x 71 x 2411 = 45,549

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


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