Q: What are the prime factors of the number 13,742,560?

 A: 2, 5, 13, 6607

Why are those the prime factors of the number 13,742,560?

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 13,742,560

13,742,560
Factor Arrows
26,871,280
Factor Arrows
23,435,640
Factor Arrows
21,717,820
Factor Arrows
2858,910
Factor Arrows
2429,455
Factor Arrows
585,891
Factor Arrows
136,607

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, 5, 13, 6607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 13 x 6,607 = 13,742,560

This can also be written as 25 x 51 x 131 x 6,6071 = 13,742,560

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


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