Q: What are the prime factors of the number 33,138,717?

 A: 3, 19, 37, 827

Why are those the prime factors of the number 33,138,717?

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 33,138,717

33,138,717
Factor Arrows
311,046,239
Factor Arrows
19581,381
Factor Arrows
1930,599
Factor Arrows
37827

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, 19, 37, 827

We can check our work by multiplying all of the prime factors together: 3 x 19 x 19 x 37 x 827 = 33,138,717

This can also be written as 31 x 192 x 371 x 8271 = 33,138,717

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


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