Q: What are the prime factors of the number 37,449?

 A: 3, 19, 73

Why are those the prime factors of the number 37,449?

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 37,449

37,449
Factor Arrows
312,483
Factor Arrows
34,161
Factor Arrows
31,387
Factor Arrows
1973

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, 19, 73

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 19 x 73 = 37,449

This can also be written as 33 x 191 x 731 = 37,449

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


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