Q: What are the prime factors of the number 33,780,411?

 A: 3, 7, 17, 31541

Why are those the prime factors of the number 33,780,411?

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 33,780,411

33,780,411
Factor Arrows
311,260,137
Factor Arrows
33,753,379
Factor Arrows
7536,197
Factor Arrows
1731,541

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, 17, 31541

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 17 x 31,541 = 33,780,411

This can also be written as 32 x 71 x 171 x 31,5411 = 33,780,411

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


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