Q: What are the prime factors of the number 251,816,075?

 A: 5, 7, 23, 62563

Why are those the prime factors of the number 251,816,075?

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 251,816,075

251,816,075
Factor Arrows
550,363,215
Factor Arrows
510,072,643
Factor Arrows
71,438,949
Factor Arrows
2362,563

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, 7, 23, 62563

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 23 x 62,563 = 251,816,075

This can also be written as 52 x 71 x 231 x 62,5631 = 251,816,075

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


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