Q: What are the prime factors of the number 45,002,500?

 A: 2, 5, 47, 383

Why are those the prime factors of the number 45,002,500?

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 45,002,500

45,002,500
Factor Arrows
222,501,250
Factor Arrows
211,250,625
Factor Arrows
52,250,125
Factor Arrows
5450,025
Factor Arrows
590,005
Factor Arrows
518,001
Factor Arrows
47383

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, 5, 47, 383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 5 x 47 x 383 = 45,002,500

This can also be written as 22 x 54 x 471 x 3831 = 45,002,500

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


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