Q: What are the prime factors of the number 2,788,192?

 A: 2, 11, 89

Why are those the prime factors of the number 2,788,192?

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 2,788,192

2,788,192
Factor Arrows
21,394,096
Factor Arrows
2697,048
Factor Arrows
2348,524
Factor Arrows
2174,262
Factor Arrows
287,131
Factor Arrows
117,921
Factor Arrows
8989

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, 11, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 89 x 89 = 2,788,192

This can also be written as 25 x 111 x 892 = 2,788,192

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


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