Q: What are the prime factors of the number 12,230,112?

 A: 2, 3, 23, 29, 191

Why are those the prime factors of the number 12,230,112?

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 12,230,112

12,230,112
Factor Arrows
26,115,056
Factor Arrows
23,057,528
Factor Arrows
21,528,764
Factor Arrows
2764,382
Factor Arrows
2382,191
Factor Arrows
3127,397
Factor Arrows
235,539
Factor Arrows
29191

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, 3, 23, 29, 191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 23 x 29 x 191 = 12,230,112

This can also be written as 25 x 31 x 231 x 291 x 1911 = 12,230,112

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


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