Q: What are the prime factors of the number 338,850?

 A: 2, 3, 5, 251

Why are those the prime factors of the number 338,850?

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 338,850

338,850
Factor Arrows
2169,425
Factor Arrows
356,475
Factor Arrows
318,825
Factor Arrows
36,275
Factor Arrows
51,255
Factor Arrows
5251

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, 5, 251

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 251 = 338,850

This can also be written as 21 x 33 x 52 x 2511 = 338,850

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


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