Q: What are the prime factors of the number 339,462?

 A: 2, 3, 18859

Why are those the prime factors of the number 339,462?

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 339,462

339,462
Factor Arrows
2169,731
Factor Arrows
356,577
Factor Arrows
318,859

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:

2, 3, 18859

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 18,859 = 339,462

This can also be written as 21 x 32 x 18,8591 = 339,462

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


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