Q: What are the prime factors of the number 100,665,116?

 A: 2, 19, 131, 10111

Why are those the prime factors of the number 100,665,116?

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 100,665,116

100,665,116
Factor Arrows
250,332,558
Factor Arrows
225,166,279
Factor Arrows
191,324,541
Factor Arrows
13110,111

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, 19, 131, 10111

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 131 x 10,111 = 100,665,116

This can also be written as 22 x 191 x 1311 x 10,1111 = 100,665,116

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


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