Q: What are the prime factors of the number 68,064?

 A: 2, 3, 709

Why are those the prime factors of the number 68,064?

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 68,064

68,064
Factor Arrows
234,032
Factor Arrows
217,016
Factor Arrows
28,508
Factor Arrows
24,254
Factor Arrows
22,127
Factor Arrows
3709

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, 709

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 709 = 68,064

This can also be written as 25 x 31 x 7091 = 68,064

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


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