Q: What are the prime factors of the number 192,402?

 A: 2, 3, 7, 509

Why are those the prime factors of the number 192,402?

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 192,402

192,402
Factor Arrows
296,201
Factor Arrows
332,067
Factor Arrows
310,689
Factor Arrows
33,563
Factor Arrows
7509

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, 509

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 509 = 192,402

This can also be written as 21 x 33 x 71 x 5091 = 192,402

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


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