Q: What are the prime factors of the number 506,943?

 A: 3, 23, 31, 79

Why are those the prime factors of the number 506,943?

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 506,943

506,943
Factor Arrows
3168,981
Factor Arrows
356,327
Factor Arrows
232,449
Factor Arrows
3179

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, 23, 31, 79

We can check our work by multiplying all of the prime factors together: 3 x 3 x 23 x 31 x 79 = 506,943

This can also be written as 32 x 231 x 311 x 791 = 506,943

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


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