Q: What are the prime factors of the number 252,513,140?

 A: 2, 5, 11, 47, 24421

Why are those the prime factors of the number 252,513,140?

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 252,513,140

252,513,140
Factor Arrows
2126,256,570
Factor Arrows
263,128,285
Factor Arrows
512,625,657
Factor Arrows
111,147,787
Factor Arrows
4724,421

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, 11, 47, 24421

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 47 x 24,421 = 252,513,140

This can also be written as 22 x 51 x 111 x 471 x 24,4211 = 252,513,140

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


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