Q: What are the prime factors of the number 110,120,010?

 A: 2, 3, 5, 7, 11, 13, 19, 193

Why are those the prime factors of the number 110,120,010?

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 110,120,010

110,120,010
Factor Arrows
255,060,005
Factor Arrows
318,353,335
Factor Arrows
53,670,667
Factor Arrows
7524,381
Factor Arrows
1147,671
Factor Arrows
133,667
Factor Arrows
19193

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, 7, 11, 13, 19, 193

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 7 x 11 x 13 x 19 x 193 = 110,120,010

This can also be written as 21 x 31 x 51 x 71 x 111 x 131 x 191 x 1931 = 110,120,010

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


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