Q: What are the prime factors of the number 10,021,608?

 A: 2, 3, 181, 769

Why are those the prime factors of the number 10,021,608?

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 10,021,608

10,021,608
Factor Arrows
25,010,804
Factor Arrows
22,505,402
Factor Arrows
21,252,701
Factor Arrows
3417,567
Factor Arrows
3139,189
Factor Arrows
181769

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, 181, 769

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 181 x 769 = 10,021,608

This can also be written as 23 x 32 x 1811 x 7691 = 10,021,608

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


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