Q: What are the prime factors of the number 34,143,616?

 A: 2, 13, 17, 71

Why are those the prime factors of the number 34,143,616?

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 34,143,616

34,143,616
Factor Arrows
217,071,808
Factor Arrows
28,535,904
Factor Arrows
24,267,952
Factor Arrows
22,133,976
Factor Arrows
21,066,988
Factor Arrows
2533,494
Factor Arrows
2266,747
Factor Arrows
1320,519
Factor Arrows
171,207
Factor Arrows
1771

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, 13, 17, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 13 x 17 x 17 x 71 = 34,143,616

This can also be written as 27 x 131 x 172 x 711 = 34,143,616

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


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