Q: What are the prime factors of the number 12,201,424?

 A: 2, 107, 7127

Why are those the prime factors of the number 12,201,424?

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 12,201,424

12,201,424
Factor Arrows
26,100,712
Factor Arrows
23,050,356
Factor Arrows
21,525,178
Factor Arrows
2762,589
Factor Arrows
1077,127

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, 107, 7127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 107 x 7,127 = 12,201,424

This can also be written as 24 x 1071 x 7,1271 = 12,201,424

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


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