Q: What are the prime factors of the number 110,021,212?

 A: 2, 7, 17, 181, 1277

Why are those the prime factors of the number 110,021,212?

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 110,021,212

110,021,212
Factor Arrows
255,010,606
Factor Arrows
227,505,303
Factor Arrows
73,929,329
Factor Arrows
17231,137
Factor Arrows
1811,277

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, 17, 181, 1277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 17 x 181 x 1,277 = 110,021,212

This can also be written as 22 x 71 x 171 x 1811 x 1,2771 = 110,021,212

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


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