Q: What are the prime factors of the number 10,266,990?

 A: 2, 3, 5, 342233

Why are those the prime factors of the number 10,266,990?

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 10,266,990

10,266,990
Factor Arrows
25,133,495
Factor Arrows
31,711,165
Factor Arrows
5342,233

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, 5, 342233

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 342,233 = 10,266,990

This can also be written as 21 x 31 x 51 x 342,2331 = 10,266,990

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


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