Q: What are the prime factors of the number 12,311,552?

 A: 2, 11, 1093

Why are those the prime factors of the number 12,311,552?

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 12,311,552

12,311,552
Factor Arrows
26,155,776
Factor Arrows
23,077,888
Factor Arrows
21,538,944
Factor Arrows
2769,472
Factor Arrows
2384,736
Factor Arrows
2192,368
Factor Arrows
296,184
Factor Arrows
248,092
Factor Arrows
224,046
Factor Arrows
212,023
Factor Arrows
111,093

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, 11, 1093

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 1,093 = 12,311,552

This can also be written as 210 x 111 x 1,0931 = 12,311,552

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


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