Q: What are the prime factors of the number 261,043,479?

 A: 3, 1074253

Why are those the prime factors of the number 261,043,479?

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 261,043,479

261,043,479
Factor Arrows
387,014,493
Factor Arrows
329,004,831
Factor Arrows
39,668,277
Factor Arrows
33,222,759
Factor Arrows
31,074,253

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, 1074253

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 1,074,253 = 261,043,479

This can also be written as 35 x 1,074,2531 = 261,043,479

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


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