Q: What are the prime factors of the number 2,399,008?

 A: 2, 61, 1229

Why are those the prime factors of the number 2,399,008?

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 2,399,008

2,399,008
Factor Arrows
21,199,504
Factor Arrows
2599,752
Factor Arrows
2299,876
Factor Arrows
2149,938
Factor Arrows
274,969
Factor Arrows
611,229

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, 61, 1229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 61 x 1,229 = 2,399,008

This can also be written as 25 x 611 x 1,2291 = 2,399,008

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


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