Q: What are the prime factors of the number 34,614,816?

 A: 2, 3, 23, 61, 257

Why are those the prime factors of the number 34,614,816?

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 34,614,816

34,614,816
Factor Arrows
217,307,408
Factor Arrows
28,653,704
Factor Arrows
24,326,852
Factor Arrows
22,163,426
Factor Arrows
21,081,713
Factor Arrows
3360,571
Factor Arrows
2315,677
Factor Arrows
61257

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, 23, 61, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 23 x 61 x 257 = 34,614,816

This can also be written as 25 x 31 x 231 x 611 x 2571 = 34,614,816

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


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