Q: What are the prime factors of the number 2,424,064?

 A: 2, 17, 557

Why are those the prime factors of the number 2,424,064?

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 2,424,064

2,424,064
Factor Arrows
21,212,032
Factor Arrows
2606,016
Factor Arrows
2303,008
Factor Arrows
2151,504
Factor Arrows
275,752
Factor Arrows
237,876
Factor Arrows
218,938
Factor Arrows
29,469
Factor Arrows
17557

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, 557

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 557 = 2,424,064

This can also be written as 28 x 171 x 5571 = 2,424,064

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


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