Q: What are the prime factors of the number 190,876?

 A: 2, 7, 17, 401

Why are those the prime factors of the number 190,876?

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 190,876

190,876
Factor Arrows
295,438
Factor Arrows
247,719
Factor Arrows
76,817
Factor Arrows
17401

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, 7, 17, 401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 17 x 401 = 190,876

This can also be written as 22 x 71 x 171 x 4011 = 190,876

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


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