Q: What are the prime factors of the number 23,104,768?

 A: 2, 17, 5309

Why are those the prime factors of the number 23,104,768?

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 23,104,768

23,104,768
Factor Arrows
211,552,384
Factor Arrows
25,776,192
Factor Arrows
22,888,096
Factor Arrows
21,444,048
Factor Arrows
2722,024
Factor Arrows
2361,012
Factor Arrows
2180,506
Factor Arrows
290,253
Factor Arrows
175,309

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, 5309

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 2 x 2 x 17 x 5,309 = 23,104,768

This can also be written as 28 x 171 x 5,3091 = 23,104,768

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


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