Q: What are the prime factors of the number 280,768?

 A: 2, 41, 107

Why are those the prime factors of the number 280,768?

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 280,768

280,768
Factor Arrows
2140,384
Factor Arrows
270,192
Factor Arrows
235,096
Factor Arrows
217,548
Factor Arrows
28,774
Factor Arrows
24,387
Factor Arrows
41107

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, 41, 107

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 41 x 107 = 280,768

This can also be written as 26 x 411 x 1071 = 280,768

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


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