Q: What are the prime factors of the number 11,195,912?

 A: 2, 7, 13

Why are those the prime factors of the number 11,195,912?

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 11,195,912

11,195,912
Factor Arrows
25,597,956
Factor Arrows
22,798,978
Factor Arrows
21,399,489
Factor Arrows
7199,927
Factor Arrows
728,561
Factor Arrows
132,197
Factor Arrows
13169
Factor Arrows
1313

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, 7, 13

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 13 x 13 x 13 x 13 = 11,195,912

This can also be written as 23 x 72 x 134 = 11,195,912

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


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