Q: What are the prime factors of the number 102,330?

 A: 2, 3, 5, 379

Why are those the prime factors of the number 102,330?

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 102,330

102,330
Factor Arrows
251,165
Factor Arrows
317,055
Factor Arrows
35,685
Factor Arrows
31,895
Factor Arrows
5379

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, 5, 379

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 379 = 102,330

This can also be written as 21 x 33 x 51 x 3791 = 102,330

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


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