Q: What are the prime factors of the number 30,121,112?

 A: 2, 7, 537877

Why are those the prime factors of the number 30,121,112?

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 30,121,112

30,121,112
Factor Arrows
215,060,556
Factor Arrows
27,530,278
Factor Arrows
23,765,139
Factor Arrows
7537,877

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, 7, 537877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 537,877 = 30,121,112

This can also be written as 23 x 71 x 537,8771 = 30,121,112

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


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