Q: What are the prime factors of the number 2,818,288?

 A: 2, 11, 67, 239

Why are those the prime factors of the number 2,818,288?

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 2,818,288

2,818,288
Factor Arrows
21,409,144
Factor Arrows
2704,572
Factor Arrows
2352,286
Factor Arrows
2176,143
Factor Arrows
1116,013
Factor Arrows
67239

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, 67, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 67 x 239 = 2,818,288

This can also be written as 24 x 111 x 671 x 2391 = 2,818,288

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


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