Q: What are the prime factors of the number 32,132,040?

 A: 2, 3, 5, 17, 19, 829

Why are those the prime factors of the number 32,132,040?

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 32,132,040

32,132,040
Factor Arrows
216,066,020
Factor Arrows
28,033,010
Factor Arrows
24,016,505
Factor Arrows
31,338,835
Factor Arrows
5267,767
Factor Arrows
1715,751
Factor Arrows
19829

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, 5, 17, 19, 829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 17 x 19 x 829 = 32,132,040

This can also be written as 23 x 31 x 51 x 171 x 191 x 8291 = 32,132,040

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


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