Q: What are the prime factors of the number 34,491,232?

 A: 2, 17, 19, 47, 71

Why are those the prime factors of the number 34,491,232?

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 34,491,232

34,491,232
Factor Arrows
217,245,616
Factor Arrows
28,622,808
Factor Arrows
24,311,404
Factor Arrows
22,155,702
Factor Arrows
21,077,851
Factor Arrows
1763,403
Factor Arrows
193,337
Factor Arrows
4771

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, 17, 19, 47, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 19 x 47 x 71 = 34,491,232

This can also be written as 25 x 171 x 191 x 471 x 711 = 34,491,232

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


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