Q: What are the prime factors of the number 28,947,288?

 A: 2, 3, 59, 20443

Why are those the prime factors of the number 28,947,288?

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 28,947,288

28,947,288
Factor Arrows
214,473,644
Factor Arrows
27,236,822
Factor Arrows
23,618,411
Factor Arrows
31,206,137
Factor Arrows
5920,443

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, 59, 20443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 59 x 20,443 = 28,947,288

This can also be written as 23 x 31 x 591 x 20,4431 = 28,947,288

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


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