Q: What are the prime factors of the number 107,505,118?

 A: 2, 7, 67, 2339

Why are those the prime factors of the number 107,505,118?

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 107,505,118

107,505,118
Factor Arrows
253,752,559
Factor Arrows
77,678,937
Factor Arrows
71,096,991
Factor Arrows
7156,713
Factor Arrows
672,339

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, 7, 67, 2339

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 7 x 67 x 2,339 = 107,505,118

This can also be written as 21 x 73 x 671 x 2,3391 = 107,505,118

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


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