Q: What are the prime factors of the number 33,231,114?

 A: 2, 3, 7, 19, 661

Why are those the prime factors of the number 33,231,114?

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 33,231,114

33,231,114
Factor Arrows
216,615,557
Factor Arrows
35,538,519
Factor Arrows
31,846,173
Factor Arrows
3615,391
Factor Arrows
787,913
Factor Arrows
712,559
Factor Arrows
19661

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, 7, 19, 661

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 7 x 19 x 661 = 33,231,114

This can also be written as 21 x 33 x 72 x 191 x 6611 = 33,231,114

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


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