Q: What are the prime factors of the number 102,135,530?

 A: 2, 5, 7, 167, 8737

Why are those the prime factors of the number 102,135,530?

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 102,135,530

102,135,530
Factor Arrows
251,067,765
Factor Arrows
510,213,553
Factor Arrows
71,459,079
Factor Arrows
1678,737

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, 5, 7, 167, 8737

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 167 x 8,737 = 102,135,530

This can also be written as 21 x 51 x 71 x 1671 x 8,7371 = 102,135,530

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


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