Q: What are the prime factors of the number 499,443?

 A: 3, 7, 17, 1399

Why are those the prime factors of the number 499,443?

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 499,443

499,443
Factor Arrows
3166,481
Factor Arrows
723,783
Factor Arrows
171,399

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, 17, 1399

We can check our work by multiplying all of the prime factors together: 3 x 7 x 17 x 1,399 = 499,443

This can also be written as 31 x 71 x 171 x 1,3991 = 499,443

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


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