Q: What are the prime factors of the number 10,204,704?

 A: 2, 3, 31, 127

Why are those the prime factors of the number 10,204,704?

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 10,204,704

10,204,704
Factor Arrows
25,102,352
Factor Arrows
22,551,176
Factor Arrows
21,275,588
Factor Arrows
2637,794
Factor Arrows
2318,897
Factor Arrows
3106,299
Factor Arrows
335,433
Factor Arrows
311,811
Factor Arrows
33,937
Factor Arrows
31127

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, 31, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 31 x 127 = 10,204,704

This can also be written as 25 x 34 x 311 x 1271 = 10,204,704

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


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