Q: What are the prime factors of the number 100,956?

 A: 2, 3, 47, 179

Why are those the prime factors of the number 100,956?

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 100,956

100,956
Factor Arrows
250,478
Factor Arrows
225,239
Factor Arrows
38,413
Factor Arrows
47179

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, 47, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 47 x 179 = 100,956

This can also be written as 22 x 31 x 471 x 1791 = 100,956

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


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