Q: What are the prime factors of the number 33,852,357?

 A: 3, 7, 11, 19, 857

Why are those the prime factors of the number 33,852,357?

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 33,852,357

33,852,357
Factor Arrows
311,284,119
Factor Arrows
33,761,373
Factor Arrows
31,253,791
Factor Arrows
7179,113
Factor Arrows
1116,283
Factor Arrows
19857

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, 7, 11, 19, 857

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 11 x 19 x 857 = 33,852,357

This can also be written as 33 x 71 x 111 x 191 x 8571 = 33,852,357

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


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