Q: What are the prime factors of the number 308,064?

 A: 2, 3, 3209

Why are those the prime factors of the number 308,064?

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 308,064

308,064
Factor Arrows
2154,032
Factor Arrows
277,016
Factor Arrows
238,508
Factor Arrows
219,254
Factor Arrows
29,627
Factor Arrows
33,209

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, 3209

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 3,209 = 308,064

This can also be written as 25 x 31 x 3,2091 = 308,064

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


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