Q: What are the prime factors of the number 34,811,672?

 A: 2, 7, 37, 53, 317

Why are those the prime factors of the number 34,811,672?

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 34,811,672

34,811,672
Factor Arrows
217,405,836
Factor Arrows
28,702,918
Factor Arrows
24,351,459
Factor Arrows
7621,637
Factor Arrows
3716,801
Factor Arrows
53317

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, 37, 53, 317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 37 x 53 x 317 = 34,811,672

This can also be written as 23 x 71 x 371 x 531 x 3171 = 34,811,672

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


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