Q: What are the prime factors of the number 10,170,072?

 A: 2, 3, 11, 12841

Why are those the prime factors of the number 10,170,072?

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 10,170,072

10,170,072
Factor Arrows
25,085,036
Factor Arrows
22,542,518
Factor Arrows
21,271,259
Factor Arrows
3423,753
Factor Arrows
3141,251
Factor Arrows
1112,841

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, 11, 12841

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 12,841 = 10,170,072

This can also be written as 23 x 32 x 111 x 12,8411 = 10,170,072

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


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