Q: What are the prime factors of the number 225,420,052?

 A: 2, 11, 13, 577, 683

Why are those the prime factors of the number 225,420,052?

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 225,420,052

225,420,052
Factor Arrows
2112,710,026
Factor Arrows
256,355,013
Factor Arrows
115,123,183
Factor Arrows
13394,091
Factor Arrows
577683

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, 11, 13, 577, 683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 577 x 683 = 225,420,052

This can also be written as 22 x 111 x 131 x 5771 x 6831 = 225,420,052

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


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