Q: What are the prime factors of the number 28,588,725?

 A: 3, 5, 11, 11551

Why are those the prime factors of the number 28,588,725?

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 28,588,725

28,588,725
Factor Arrows
39,529,575
Factor Arrows
33,176,525
Factor Arrows
5635,305
Factor Arrows
5127,061
Factor Arrows
1111,551

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:

3, 5, 11, 11551

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 11 x 11,551 = 28,588,725

This can also be written as 32 x 52 x 111 x 11,5511 = 28,588,725

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


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