Q: What are the prime factors of the number 363,123?

 A: 3, 4483

Why are those the prime factors of the number 363,123?

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 363,123

363,123
Factor Arrows
3121,041
Factor Arrows
340,347
Factor Arrows
313,449
Factor Arrows
34,483

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, 4483

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 4,483 = 363,123

This can also be written as 34 x 4,4831 = 363,123

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


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