Q: What are the prime factors of the number 338,265?

 A: 3, 5, 7517

Why are those the prime factors of the number 338,265?

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 338,265

338,265
Factor Arrows
3112,755
Factor Arrows
337,585
Factor Arrows
57,517

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, 5, 7517

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7,517 = 338,265

This can also be written as 32 x 51 x 7,5171 = 338,265

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


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