Q: What are the prime factors of the number 4,608,768?

 A: 2, 3, 17, 353

Why are those the prime factors of the number 4,608,768?

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 4,608,768

4,608,768
Factor Arrows
22,304,384
Factor Arrows
21,152,192
Factor Arrows
2576,096
Factor Arrows
2288,048
Factor Arrows
2144,024
Factor Arrows
272,012
Factor Arrows
236,006
Factor Arrows
218,003
Factor Arrows
36,001
Factor Arrows
17353

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, 3, 17, 353

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 3 x 17 x 353 = 4,608,768

This can also be written as 28 x 31 x 171 x 3531 = 4,608,768

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


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