Q: What are the prime factors of the number 343,332?

 A: 2, 3, 11, 17

Why are those the prime factors of the number 343,332?

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 343,332

343,332
Factor Arrows
2171,666
Factor Arrows
285,833
Factor Arrows
328,611
Factor Arrows
39,537
Factor Arrows
33,179
Factor Arrows
11289
Factor Arrows
1717

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, 11, 17

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 17 x 17 = 343,332

This can also be written as 22 x 33 x 111 x 172 = 343,332

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


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