Q: What are the prime factors of the number 191,676?

 A: 2, 3, 15973

Why are those the prime factors of the number 191,676?

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 191,676

191,676
Factor Arrows
295,838
Factor Arrows
247,919
Factor Arrows
315,973

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, 15973

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 15,973 = 191,676

This can also be written as 22 x 31 x 15,9731 = 191,676

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


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