Q: What are the prime factors of the number 13,276,734?

 A: 2, 3, 709, 3121

Why are those the prime factors of the number 13,276,734?

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 13,276,734

13,276,734
Factor Arrows
26,638,367
Factor Arrows
32,212,789
Factor Arrows
7093,121

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, 709, 3121

We can check our work by multiplying all of the prime factors together: 2 x 3 x 709 x 3,121 = 13,276,734

This can also be written as 21 x 31 x 7091 x 3,1211 = 13,276,734

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


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