Q: What are the prime factors of the number 10,685,928?

 A: 2, 3, 11, 17, 2381

Why are those the prime factors of the number 10,685,928?

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 10,685,928

10,685,928
Factor Arrows
25,342,964
Factor Arrows
22,671,482
Factor Arrows
21,335,741
Factor Arrows
3445,247
Factor Arrows
1140,477
Factor Arrows
172,381

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, 17, 2381

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 17 x 2,381 = 10,685,928

This can also be written as 23 x 31 x 111 x 171 x 2,3811 = 10,685,928

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


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