Q: What are the prime factors of the number 16,246,944?

 A: 2, 3, 7, 8059

Why are those the prime factors of the number 16,246,944?

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 16,246,944

16,246,944
Factor Arrows
28,123,472
Factor Arrows
24,061,736
Factor Arrows
22,030,868
Factor Arrows
21,015,434
Factor Arrows
2507,717
Factor Arrows
3169,239
Factor Arrows
356,413
Factor Arrows
78,059

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, 8059

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 8,059 = 16,246,944

This can also be written as 25 x 32 x 71 x 8,0591 = 16,246,944

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


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