Q: What are the prime factors of the number 306,008,680?

 A: 2, 5, 19, 137, 2939

Why are those the prime factors of the number 306,008,680?

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 306,008,680

306,008,680
Factor Arrows
2153,004,340
Factor Arrows
276,502,170
Factor Arrows
238,251,085
Factor Arrows
57,650,217
Factor Arrows
19402,643
Factor Arrows
1372,939

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, 5, 19, 137, 2939

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 19 x 137 x 2,939 = 306,008,680

This can also be written as 23 x 51 x 191 x 1371 x 2,9391 = 306,008,680

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


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