Q: What are the prime factors of the number 33,640,677?

 A: 3, 7, 19777

Why are those the prime factors of the number 33,640,677?

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 33,640,677

33,640,677
Factor Arrows
311,213,559
Factor Arrows
33,737,853
Factor Arrows
31,245,951
Factor Arrows
3415,317
Factor Arrows
3138,439
Factor Arrows
719,777

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, 19777

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 19,777 = 33,640,677

This can also be written as 35 x 71 x 19,7771 = 33,640,677

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


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