Q: What are the prime factors of the number 13,043,511?

 A: 3, 13, 4129

Why are those the prime factors of the number 13,043,511?

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 13,043,511

13,043,511
Factor Arrows
34,347,837
Factor Arrows
31,449,279
Factor Arrows
3483,093
Factor Arrows
3161,031
Factor Arrows
353,677
Factor Arrows
134,129

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, 4129

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 13 x 4,129 = 13,043,511

This can also be written as 35 x 131 x 4,1291 = 13,043,511

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


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