Q: What are the prime factors of the number 32,404,020?

 A: 2, 3, 5, 11, 29, 1693

Why are those the prime factors of the number 32,404,020?

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 32,404,020

32,404,020
Factor Arrows
216,202,010
Factor Arrows
28,101,005
Factor Arrows
32,700,335
Factor Arrows
5540,067
Factor Arrows
1149,097
Factor Arrows
291,693

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, 11, 29, 1693

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 11 x 29 x 1,693 = 32,404,020

This can also be written as 22 x 31 x 51 x 111 x 291 x 1,6931 = 32,404,020

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


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