Q: What are the prime factors of the number 12,022,110?

 A: 2, 3, 5, 31, 139

Why are those the prime factors of the number 12,022,110?

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 12,022,110

12,022,110
Factor Arrows
26,011,055
Factor Arrows
32,003,685
Factor Arrows
3667,895
Factor Arrows
5133,579
Factor Arrows
314,309
Factor Arrows
31139

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, 5, 31, 139

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 31 x 31 x 139 = 12,022,110

This can also be written as 21 x 32 x 51 x 312 x 1391 = 12,022,110

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


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