Q: What are the prime factors of the number 33,120,495?

 A: 3, 5, 53, 1543

Why are those the prime factors of the number 33,120,495?

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 33,120,495

33,120,495
Factor Arrows
311,040,165
Factor Arrows
33,680,055
Factor Arrows
31,226,685
Factor Arrows
3408,895
Factor Arrows
581,779
Factor Arrows
531,543

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, 5, 53, 1543

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 53 x 1,543 = 33,120,495

This can also be written as 34 x 51 x 531 x 1,5431 = 33,120,495

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


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