Q: What are the prime factors of the number 305,210,016?

 A: 2, 3, 1059757

Why are those the prime factors of the number 305,210,016?

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 305,210,016

305,210,016
Factor Arrows
2152,605,008
Factor Arrows
276,302,504
Factor Arrows
238,151,252
Factor Arrows
219,075,626
Factor Arrows
29,537,813
Factor Arrows
33,179,271
Factor Arrows
31,059,757

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, 1059757

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 x 1,059,757 = 305,210,016

This can also be written as 25 x 32 x 1,059,7571 = 305,210,016

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


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