Q: What are the prime factors of the number 868,768?

 A: 2, 17, 1597

Why are those the prime factors of the number 868,768?

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 868,768

868,768
Factor Arrows
2434,384
Factor Arrows
2217,192
Factor Arrows
2108,596
Factor Arrows
254,298
Factor Arrows
227,149
Factor Arrows
171,597

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, 1597

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 1,597 = 868,768

This can also be written as 25 x 171 x 1,5971 = 868,768

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


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