Q: What are the prime factors of the number 107,166,144?

 A: 2, 3, 103, 5419

Why are those the prime factors of the number 107,166,144?

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 107,166,144

107,166,144
Factor Arrows
253,583,072
Factor Arrows
226,791,536
Factor Arrows
213,395,768
Factor Arrows
26,697,884
Factor Arrows
23,348,942
Factor Arrows
21,674,471
Factor Arrows
3558,157
Factor Arrows
1035,419

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, 103, 5419

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 103 x 5,419 = 107,166,144

This can also be written as 26 x 31 x 1031 x 5,4191 = 107,166,144

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


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