Q: What are the prime factors of the number 252,785,625?

 A: 3, 5, 31, 4349

Why are those the prime factors of the number 252,785,625?

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 252,785,625

252,785,625
Factor Arrows
384,261,875
Factor Arrows
516,852,375
Factor Arrows
53,370,475
Factor Arrows
5674,095
Factor Arrows
5134,819
Factor Arrows
314,349

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, 31, 4349

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 5 x 31 x 4,349 = 252,785,625

This can also be written as 31 x 54 x 311 x 4,3491 = 252,785,625

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


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