Q: What are the prime factors of the number 866,161,812?

 A: 2, 3, 239, 302009

Why are those the prime factors of the number 866,161,812?

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 866,161,812

866,161,812
Factor Arrows
2433,080,906
Factor Arrows
2216,540,453
Factor Arrows
372,180,151
Factor Arrows
239302,009

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, 239, 302009

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 239 x 302,009 = 866,161,812

This can also be written as 22 x 31 x 2391 x 302,0091 = 866,161,812

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


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