Q: What are the prime factors of the number 236,385?

 A: 3, 5, 17, 103

Why are those the prime factors of the number 236,385?

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 236,385

236,385
Factor Arrows
378,795
Factor Arrows
326,265
Factor Arrows
38,755
Factor Arrows
51,751
Factor Arrows
17103

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, 5, 17, 103

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 17 x 103 = 236,385

This can also be written as 33 x 51 x 171 x 1031 = 236,385

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


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