Q: What are the prime factors of the number 34,344,072?

 A: 2, 3, 7, 83, 821

Why are those the prime factors of the number 34,344,072?

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 34,344,072

34,344,072
Factor Arrows
217,172,036
Factor Arrows
28,586,018
Factor Arrows
24,293,009
Factor Arrows
31,431,003
Factor Arrows
3477,001
Factor Arrows
768,143
Factor Arrows
83821

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, 7, 83, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 83 x 821 = 34,344,072

This can also be written as 23 x 32 x 71 x 831 x 8211 = 34,344,072

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


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