Q: What are the prime factors of the number 306,304?

 A: 2, 2393

Why are those the prime factors of the number 306,304?

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 306,304

306,304
Factor Arrows
2153,152
Factor Arrows
276,576
Factor Arrows
238,288
Factor Arrows
219,144
Factor Arrows
29,572
Factor Arrows
24,786
Factor Arrows
22,393

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, 2393

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 2,393 = 306,304

This can also be written as 27 x 2,3931 = 306,304

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


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