Q: What are the prime factors of the number 263,365,317?

 A: 3, 181, 53891

Why are those the prime factors of the number 263,365,317?

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 263,365,317

263,365,317
Factor Arrows
387,788,439
Factor Arrows
329,262,813
Factor Arrows
39,754,271
Factor Arrows
18153,891

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, 181, 53891

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 181 x 53,891 = 263,365,317

This can also be written as 33 x 1811 x 53,8911 = 263,365,317

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


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