Q: What are the prime factors of the number 261,067,671?

 A: 3, 37, 261329

Why are those the prime factors of the number 261,067,671?

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 261,067,671

261,067,671
Factor Arrows
387,022,557
Factor Arrows
329,007,519
Factor Arrows
39,669,173
Factor Arrows
37261,329

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, 37, 261329

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 37 x 261,329 = 261,067,671

This can also be written as 33 x 371 x 261,3291 = 261,067,671

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


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