Q: What are the prime factors of the number 107,338?

 A: 2, 7, 11, 17, 41

Why are those the prime factors of the number 107,338?

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 107,338

107,338
Factor Arrows
253,669
Factor Arrows
77,667
Factor Arrows
11697
Factor Arrows
1741

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, 7, 11, 17, 41

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 17 x 41 = 107,338

This can also be written as 21 x 71 x 111 x 171 x 411 = 107,338

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


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