Q: What are the prime factors of the number 68,082,909?

 A: 3, 17, 19, 4133

Why are those the prime factors of the number 68,082,909?

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 68,082,909

68,082,909
Factor Arrows
322,694,303
Factor Arrows
171,334,959
Factor Arrows
1778,527
Factor Arrows
194,133

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, 17, 19, 4133

We can check our work by multiplying all of the prime factors together: 3 x 17 x 17 x 19 x 4,133 = 68,082,909

This can also be written as 31 x 172 x 191 x 4,1331 = 68,082,909

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


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