Q: What are the prime factors of the number 310,057,605?

 A: 3, 5, 11, 13, 16061

Why are those the prime factors of the number 310,057,605?

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 310,057,605

310,057,605
Factor Arrows
3103,352,535
Factor Arrows
334,450,845
Factor Arrows
311,483,615
Factor Arrows
52,296,723
Factor Arrows
11208,793
Factor Arrows
1316,061

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:

3, 5, 11, 13, 16061

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 11 x 13 x 16,061 = 310,057,605

This can also be written as 33 x 51 x 111 x 131 x 16,0611 = 310,057,605

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


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