Q: What are the prime factors of the number 1,566,912?

 A: 2, 3, 8161

Why are those the prime factors of the number 1,566,912?

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 1,566,912

1,566,912
Factor Arrows
2783,456
Factor Arrows
2391,728
Factor Arrows
2195,864
Factor Arrows
297,932
Factor Arrows
248,966
Factor Arrows
224,483
Factor Arrows
38,161

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, 8161

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 3 x 8,161 = 1,566,912

This can also be written as 26 x 31 x 8,1611 = 1,566,912

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


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