Q: What are the prime factors of the number 343,508?

 A: 2, 11, 37, 211

Why are those the prime factors of the number 343,508?

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 343,508

343,508
Factor Arrows
2171,754
Factor Arrows
285,877
Factor Arrows
117,807
Factor Arrows
37211

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, 11, 37, 211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 37 x 211 = 343,508

This can also be written as 22 x 111 x 371 x 2111 = 343,508

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


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