Q: What are the prime factors of the number 100,296?

 A: 2, 3, 7, 199

Why are those the prime factors of the number 100,296?

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 100,296

100,296
Factor Arrows
250,148
Factor Arrows
225,074
Factor Arrows
212,537
Factor Arrows
34,179
Factor Arrows
31,393
Factor Arrows
7199

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, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 199 = 100,296

This can also be written as 23 x 32 x 71 x 1991 = 100,296

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


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