Q: What are the prime factors of the number 16,831,744?

 A: 2, 37, 1777

Why are those the prime factors of the number 16,831,744?

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 16,831,744

16,831,744
Factor Arrows
28,415,872
Factor Arrows
24,207,936
Factor Arrows
22,103,968
Factor Arrows
21,051,984
Factor Arrows
2525,992
Factor Arrows
2262,996
Factor Arrows
2131,498
Factor Arrows
265,749
Factor Arrows
371,777

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, 37, 1777

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 37 x 1,777 = 16,831,744

This can also be written as 28 x 371 x 1,7771 = 16,831,744

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


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