Q: What are the prime factors of the number 261,043,476?

 A: 2, 3, 21753623

Why are those the prime factors of the number 261,043,476?

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 261,043,476

261,043,476
Factor Arrows
2130,521,738
Factor Arrows
265,260,869
Factor Arrows
321,753,623

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:

2, 3, 21753623

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 21,753,623 = 261,043,476

This can also be written as 22 x 31 x 21,753,6231 = 261,043,476

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


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