Q: What are the prime factors of the number 54,976?

 A: 2, 859

Why are those the prime factors of the number 54,976?

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 54,976

54,976
Factor Arrows
227,488
Factor Arrows
213,744
Factor Arrows
26,872
Factor Arrows
23,436
Factor Arrows
21,718
Factor Arrows
2859

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, 859

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 859 = 54,976

This can also be written as 26 x 8591 = 54,976

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


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