Q: What are the prime factors of the number 605,847?

 A: 3, 11, 1669

Why are those the prime factors of the number 605,847?

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 605,847

605,847
Factor Arrows
3201,949
Factor Arrows
1118,359
Factor Arrows
111,669

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, 1669

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 1,669 = 605,847

This can also be written as 31 x 112 x 1,6691 = 605,847

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


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