Q: What are the prime factors of the number 11,686,376?

 A: 2, 13, 37, 3037

Why are those the prime factors of the number 11,686,376?

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 11,686,376

11,686,376
Factor Arrows
25,843,188
Factor Arrows
22,921,594
Factor Arrows
21,460,797
Factor Arrows
13112,369
Factor Arrows
373,037

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, 13, 37, 3037

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 37 x 3,037 = 11,686,376

This can also be written as 23 x 131 x 371 x 3,0371 = 11,686,376

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


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