Q: What are the prime factors of the number 102,021,624?

 A: 2, 3, 17, 4903

Why are those the prime factors of the number 102,021,624?

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 102,021,624

102,021,624
Factor Arrows
251,010,812
Factor Arrows
225,505,406
Factor Arrows
212,752,703
Factor Arrows
34,250,901
Factor Arrows
31,416,967
Factor Arrows
1783,351
Factor Arrows
174,903

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, 17, 4903

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 17 x 17 x 4,903 = 102,021,624

This can also be written as 23 x 32 x 172 x 4,9031 = 102,021,624

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


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