Q: What are the prime factors of the number 33,928,191?

 A: 3, 11, 389, 881

Why are those the prime factors of the number 33,928,191?

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 33,928,191

33,928,191
Factor Arrows
311,309,397
Factor Arrows
33,769,799
Factor Arrows
11342,709
Factor Arrows
389881

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, 11, 389, 881

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 389 x 881 = 33,928,191

This can also be written as 32 x 111 x 3891 x 8811 = 33,928,191

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


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