Q: What are the prime factors of the number 65,668,105?

 A: 5, 23, 443, 1289

Why are those the prime factors of the number 65,668,105?

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 65,668,105

65,668,105
Factor Arrows
513,133,621
Factor Arrows
23571,027
Factor Arrows
4431,289

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:

5, 23, 443, 1289

We can check our work by multiplying all of the prime factors together: 5 x 23 x 443 x 1,289 = 65,668,105

This can also be written as 51 x 231 x 4431 x 1,2891 = 65,668,105

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


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