Q: What are the prime factors of the number 13,281,708?

 A: 2, 3, 11, 239, 421

Why are those the prime factors of the number 13,281,708?

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 13,281,708

13,281,708
Factor Arrows
26,640,854
Factor Arrows
23,320,427
Factor Arrows
31,106,809
Factor Arrows
11100,619
Factor Arrows
239421

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, 11, 239, 421

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 239 x 421 = 13,281,708

This can also be written as 22 x 31 x 111 x 2391 x 4211 = 13,281,708

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


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