Q: What are the prime factors of the number 110,323,120?

 A: 2, 5, 19, 181, 401

Why are those the prime factors of the number 110,323,120?

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 110,323,120

110,323,120
Factor Arrows
255,161,560
Factor Arrows
227,580,780
Factor Arrows
213,790,390
Factor Arrows
26,895,195
Factor Arrows
51,379,039
Factor Arrows
1972,581
Factor Arrows
181401

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, 5, 19, 181, 401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 19 x 181 x 401 = 110,323,120

This can also be written as 24 x 51 x 191 x 1811 x 4011 = 110,323,120

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


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