Q: What are the prime factors of the number 627,776?

 A: 2, 17, 577

Why are those the prime factors of the number 627,776?

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 627,776

627,776
Factor Arrows
2313,888
Factor Arrows
2156,944
Factor Arrows
278,472
Factor Arrows
239,236
Factor Arrows
219,618
Factor Arrows
29,809
Factor Arrows
17577

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, 577

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 17 x 577 = 627,776

This can also be written as 26 x 171 x 5771 = 627,776

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


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