Q: What are the prime factors of the number 106,406,568?

 A: 2, 3, 29, 16987

Why are those the prime factors of the number 106,406,568?

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 106,406,568

106,406,568
Factor Arrows
253,203,284
Factor Arrows
226,601,642
Factor Arrows
213,300,821
Factor Arrows
34,433,607
Factor Arrows
31,477,869
Factor Arrows
3492,623
Factor Arrows
2916,987

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, 29, 16987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 29 x 16,987 = 106,406,568

This can also be written as 23 x 33 x 291 x 16,9871 = 106,406,568

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


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