Q: What are the prime factors of the number 32,171,112?

 A: 2, 3, 23, 19427

Why are those the prime factors of the number 32,171,112?

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 32,171,112

32,171,112
Factor Arrows
216,085,556
Factor Arrows
28,042,778
Factor Arrows
24,021,389
Factor Arrows
31,340,463
Factor Arrows
3446,821
Factor Arrows
2319,427

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, 23, 19427

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 23 x 19,427 = 32,171,112

This can also be written as 23 x 32 x 231 x 19,4271 = 32,171,112

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


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