Q: What are the prime factors of the number 165,668,586?

 A: 2, 3, 23, 239, 5023

Why are those the prime factors of the number 165,668,586?

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 165,668,586

165,668,586
Factor Arrows
282,834,293
Factor Arrows
327,611,431
Factor Arrows
231,200,497
Factor Arrows
2395,023

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, 23, 239, 5023

We can check our work by multiplying all of the prime factors together: 2 x 3 x 23 x 239 x 5,023 = 165,668,586

This can also be written as 21 x 31 x 231 x 2391 x 5,0231 = 165,668,586

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


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