Q: What are the prime factors of the number 308,608?

 A: 2, 2411

Why are those the prime factors of the number 308,608?

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 308,608

308,608
Factor Arrows
2154,304
Factor Arrows
277,152
Factor Arrows
238,576
Factor Arrows
219,288
Factor Arrows
29,644
Factor Arrows
24,822
Factor Arrows
22,411

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, 2411

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 2,411 = 308,608

This can also be written as 27 x 2,4111 = 308,608

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


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