Q: What are the prime factors of the number 186,102?

 A: 2, 3, 7, 211

Why are those the prime factors of the number 186,102?

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 186,102

186,102
Factor Arrows
293,051
Factor Arrows
331,017
Factor Arrows
310,339
Factor Arrows
71,477
Factor Arrows
7211

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, 7, 211

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 7 x 211 = 186,102

This can also be written as 21 x 32 x 72 x 2111 = 186,102

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


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