Q: What are the prime factors of the number 8,281,143?

 A: 3, 13, 23593

Why are those the prime factors of the number 8,281,143?

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 8,281,143

8,281,143
Factor Arrows
32,760,381
Factor Arrows
3920,127
Factor Arrows
3306,709
Factor Arrows
1323,593

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:

3, 13, 23593

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 23,593 = 8,281,143

This can also be written as 33 x 131 x 23,5931 = 8,281,143

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


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