Q: What are the prime factors of the number 102,134,144?

 A: 2, 7, 113989

Why are those the prime factors of the number 102,134,144?

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 102,134,144

102,134,144
Factor Arrows
251,067,072
Factor Arrows
225,533,536
Factor Arrows
212,766,768
Factor Arrows
26,383,384
Factor Arrows
23,191,692
Factor Arrows
21,595,846
Factor Arrows
2797,923
Factor Arrows
7113,989

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, 113989

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 2 x 7 x 113,989 = 102,134,144

This can also be written as 27 x 71 x 113,9891 = 102,134,144

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


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