Q: What are the prime factors of the number 107,041,428?

 A: 2, 3, 13, 331, 691

Why are those the prime factors of the number 107,041,428?

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 107,041,428

107,041,428
Factor Arrows
253,520,714
Factor Arrows
226,760,357
Factor Arrows
38,920,119
Factor Arrows
32,973,373
Factor Arrows
13228,721
Factor Arrows
331691

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, 13, 331, 691

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 331 x 691 = 107,041,428

This can also be written as 22 x 32 x 131 x 3311 x 6911 = 107,041,428

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


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