Q: What are the prime factors of the number 3,183,744?

 A: 2, 3, 8291

Why are those the prime factors of the number 3,183,744?

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 3,183,744

3,183,744
Factor Arrows
21,591,872
Factor Arrows
2795,936
Factor Arrows
2397,968
Factor Arrows
2198,984
Factor Arrows
299,492
Factor Arrows
249,746
Factor Arrows
224,873
Factor Arrows
38,291

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, 8291

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 3 x 8,291 = 3,183,744

This can also be written as 27 x 31 x 8,2911 = 3,183,744

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


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