Q: What are the prime factors of the number 109,407,261?

 A: 3, 37, 193, 5107

Why are those the prime factors of the number 109,407,261?

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 109,407,261

109,407,261
Factor Arrows
336,469,087
Factor Arrows
37985,651
Factor Arrows
1935,107

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:

3, 37, 193, 5107

We can check our work by multiplying all of the prime factors together: 3 x 37 x 193 x 5,107 = 109,407,261

This can also be written as 31 x 371 x 1931 x 5,1071 = 109,407,261

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


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