Q: What are the prime factors of the number 32,021,132?

 A: 2, 11, 13, 17, 37, 89

Why are those the prime factors of the number 32,021,132?

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 32,021,132

32,021,132
Factor Arrows
216,010,566
Factor Arrows
28,005,283
Factor Arrows
11727,753
Factor Arrows
1355,981
Factor Arrows
173,293
Factor Arrows
3789

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, 11, 13, 17, 37, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 17 x 37 x 89 = 32,021,132

This can also be written as 22 x 111 x 131 x 171 x 371 x 891 = 32,021,132

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


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