Q: What are the prime factors of the number 33,380,736?

 A: 2, 3, 86929

Why are those the prime factors of the number 33,380,736?

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 33,380,736

33,380,736
Factor Arrows
216,690,368
Factor Arrows
28,345,184
Factor Arrows
24,172,592
Factor Arrows
22,086,296
Factor Arrows
21,043,148
Factor Arrows
2521,574
Factor Arrows
2260,787
Factor Arrows
386,929

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, 86929

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 86,929 = 33,380,736

This can also be written as 27 x 31 x 86,9291 = 33,380,736

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


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