Q: What are the prime factors of the number 276,128?

 A: 2, 8629

Why are those the prime factors of the number 276,128?

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 276,128

276,128
Factor Arrows
2138,064
Factor Arrows
269,032
Factor Arrows
234,516
Factor Arrows
217,258
Factor Arrows
28,629

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, 8629

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 8,629 = 276,128

This can also be written as 25 x 8,6291 = 276,128

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


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