Q: What are the prime factors of the number 33,944,372?

 A: 2, 7, 11, 43, 233

Why are those the prime factors of the number 33,944,372?

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 33,944,372

33,944,372
Factor Arrows
216,972,186
Factor Arrows
28,486,093
Factor Arrows
71,212,299
Factor Arrows
11110,209
Factor Arrows
1110,019
Factor Arrows
43233

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, 7, 11, 43, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 11 x 43 x 233 = 33,944,372

This can also be written as 22 x 71 x 112 x 431 x 2331 = 33,944,372

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


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