Q: What are the prime factors of the number 11,719,526?

 A: 2, 7, 13, 9199

Why are those the prime factors of the number 11,719,526?

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 11,719,526

11,719,526
Factor Arrows
25,859,763
Factor Arrows
7837,109
Factor Arrows
7119,587
Factor Arrows
139,199

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, 9199

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 13 x 9,199 = 11,719,526

This can also be written as 21 x 72 x 131 x 9,1991 = 11,719,526

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


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