Q: What are the prime factors of the number 11,110,112?

 A: 2, 13, 17, 1571

Why are those the prime factors of the number 11,110,112?

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 11,110,112

11,110,112
Factor Arrows
25,555,056
Factor Arrows
22,777,528
Factor Arrows
21,388,764
Factor Arrows
2694,382
Factor Arrows
2347,191
Factor Arrows
1326,707
Factor Arrows
171,571

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, 13, 17, 1571

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 17 x 1,571 = 11,110,112

This can also be written as 25 x 131 x 171 x 1,5711 = 11,110,112

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


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