Q: What are the prime factors of the number 611,847?

 A: 3, 17, 31, 43

Why are those the prime factors of the number 611,847?

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 611,847

611,847
Factor Arrows
3203,949
Factor Arrows
367,983
Factor Arrows
322,661
Factor Arrows
171,333
Factor Arrows
3143

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, 17, 31, 43

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 17 x 31 x 43 = 611,847

This can also be written as 33 x 171 x 311 x 431 = 611,847

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


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