Q: What are the prime factors of the number 308,384?

 A: 2, 23, 419

Why are those the prime factors of the number 308,384?

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 308,384

308,384
Factor Arrows
2154,192
Factor Arrows
277,096
Factor Arrows
238,548
Factor Arrows
219,274
Factor Arrows
29,637
Factor Arrows
23419

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, 23, 419

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 419 = 308,384

This can also be written as 25 x 231 x 4191 = 308,384

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


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