Q: What are the prime factors of the number 28,700,425?

 A: 5, 13, 6793

Why are those the prime factors of the number 28,700,425?

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 28,700,425

28,700,425
Factor Arrows
55,740,085
Factor Arrows
51,148,017
Factor Arrows
1388,309
Factor Arrows
136,793

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:

5, 13, 6793

We can check our work by multiplying all of the prime factors together: 5 x 5 x 13 x 13 x 6,793 = 28,700,425

This can also be written as 52 x 132 x 6,7931 = 28,700,425

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


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