Q: What are the prime factors of the number 508,383?

 A: 3, 19, 991

Why are those the prime factors of the number 508,383?

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 508,383

508,383
Factor Arrows
3169,461
Factor Arrows
356,487
Factor Arrows
318,829
Factor Arrows
19991

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, 19, 991

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 19 x 991 = 508,383

This can also be written as 33 x 191 x 9911 = 508,383

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


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