Q: What are the prime factors of the number 10,641,664?

 A: 2, 11, 3779

Why are those the prime factors of the number 10,641,664?

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 10,641,664

10,641,664
Factor Arrows
25,320,832
Factor Arrows
22,660,416
Factor Arrows
21,330,208
Factor Arrows
2665,104
Factor Arrows
2332,552
Factor Arrows
2166,276
Factor Arrows
283,138
Factor Arrows
241,569
Factor Arrows
113,779

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, 11, 3779

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 3,779 = 10,641,664

This can also be written as 28 x 111 x 3,7791 = 10,641,664

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


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