Q: What are the prime factors of the number 347,949?

 A: 3, 7, 263

Why are those the prime factors of the number 347,949?

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 347,949

347,949
Factor Arrows
3115,983
Factor Arrows
338,661
Factor Arrows
312,887
Factor Arrows
71,841
Factor Arrows
7263

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, 7, 263

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 7 x 263 = 347,949

This can also be written as 33 x 72 x 2631 = 347,949

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


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