Q: What are the prime factors of the number 33,945,978?

 A: 2, 3, 11, 514333

Why are those the prime factors of the number 33,945,978?

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 33,945,978

33,945,978
Factor Arrows
216,972,989
Factor Arrows
35,657,663
Factor Arrows
11514,333

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, 11, 514333

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 514,333 = 33,945,978

This can also be written as 21 x 31 x 111 x 514,3331 = 33,945,978

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


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