Q: What are the prime factors of the number 10,308,144?

 A: 2, 3, 7, 11, 2789

Why are those the prime factors of the number 10,308,144?

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 10,308,144

10,308,144
Factor Arrows
25,154,072
Factor Arrows
22,577,036
Factor Arrows
21,288,518
Factor Arrows
2644,259
Factor Arrows
3214,753
Factor Arrows
730,679
Factor Arrows
112,789

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, 7, 11, 2789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 11 x 2,789 = 10,308,144

This can also be written as 24 x 31 x 71 x 111 x 2,7891 = 10,308,144

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


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