Q: What are the prime factors of the number 28,476,252?

 A: 2, 3, 7, 5381

Why are those the prime factors of the number 28,476,252?

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 28,476,252

28,476,252
Factor Arrows
214,238,126
Factor Arrows
27,119,063
Factor Arrows
32,373,021
Factor Arrows
3791,007
Factor Arrows
3263,669
Factor Arrows
737,667
Factor Arrows
75,381

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, 7, 5381

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 7 x 5,381 = 28,476,252

This can also be written as 22 x 33 x 72 x 5,3811 = 28,476,252

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


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