Q: What are the prime factors of the number 11,877,424?

 A: 2, 13, 17, 3359

Why are those the prime factors of the number 11,877,424?

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 11,877,424

11,877,424
Factor Arrows
25,938,712
Factor Arrows
22,969,356
Factor Arrows
21,484,678
Factor Arrows
2742,339
Factor Arrows
1357,103
Factor Arrows
173,359

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, 17, 3359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 17 x 3,359 = 11,877,424

This can also be written as 24 x 131 x 171 x 3,3591 = 11,877,424

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


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