Q: What are the prime factors of the number 32,205,992?

 A: 2, 7, 13, 41, 83

Why are those the prime factors of the number 32,205,992?

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 32,205,992

32,205,992
Factor Arrows
216,102,996
Factor Arrows
28,051,498
Factor Arrows
24,025,749
Factor Arrows
7575,107
Factor Arrows
1344,239
Factor Arrows
133,403
Factor Arrows
4183

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, 13, 41, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 13 x 41 x 83 = 32,205,992

This can also be written as 23 x 71 x 132 x 411 x 831 = 32,205,992

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


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