Q: What are the prime factors of the number 13,747,264?

 A: 2, 79, 2719

Why are those the prime factors of the number 13,747,264?

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 13,747,264

13,747,264
Factor Arrows
26,873,632
Factor Arrows
23,436,816
Factor Arrows
21,718,408
Factor Arrows
2859,204
Factor Arrows
2429,602
Factor Arrows
2214,801
Factor Arrows
792,719

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, 79, 2719

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 79 x 2,719 = 13,747,264

This can also be written as 26 x 791 x 2,7191 = 13,747,264

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


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