Q: What are the prime factors of the number 276,928?

 A: 2, 4327

Why are those the prime factors of the number 276,928?

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 276,928

276,928
Factor Arrows
2138,464
Factor Arrows
269,232
Factor Arrows
234,616
Factor Arrows
217,308
Factor Arrows
28,654
Factor Arrows
24,327

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, 4327

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 4,327 = 276,928

This can also be written as 26 x 4,3271 = 276,928

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


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