Q: What are the prime factors of the number 104,156?

 A: 2, 13, 2003

Why are those the prime factors of the number 104,156?

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 104,156

104,156
Factor Arrows
252,078
Factor Arrows
226,039
Factor Arrows
132,003

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, 13, 2003

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 2,003 = 104,156

This can also be written as 22 x 131 x 2,0031 = 104,156

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


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