Q: What are the prime factors of the number 261,710,559?

 A: 3, 11, 97, 27253

Why are those the prime factors of the number 261,710,559?

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 261,710,559

261,710,559
Factor Arrows
387,236,853
Factor Arrows
329,078,951
Factor Arrows
112,643,541
Factor Arrows
9727,253

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, 11, 97, 27253

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 97 x 27,253 = 261,710,559

This can also be written as 32 x 111 x 971 x 27,2531 = 261,710,559

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


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