Q: What are the prime factors of the number 111,431,034?

 A: 2, 3, 11, 13, 43291

Why are those the prime factors of the number 111,431,034?

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 111,431,034

111,431,034
Factor Arrows
255,715,517
Factor Arrows
318,571,839
Factor Arrows
36,190,613
Factor Arrows
11562,783
Factor Arrows
1343,291

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, 11, 13, 43291

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 13 x 43,291 = 111,431,034

This can also be written as 21 x 32 x 111 x 131 x 43,2911 = 111,431,034

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


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