Q: What are the prime factors of the number 104,992?

 A: 2, 17, 193

Why are those the prime factors of the number 104,992?

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 104,992

104,992
Factor Arrows
252,496
Factor Arrows
226,248
Factor Arrows
213,124
Factor Arrows
26,562
Factor Arrows
23,281
Factor Arrows
17193

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, 17, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 193 = 104,992

This can also be written as 25 x 171 x 1931 = 104,992

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


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