Q: What are the prime factors of the number 13,268,544?

 A: 2, 3, 29, 2383

Why are those the prime factors of the number 13,268,544?

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 13,268,544

13,268,544
Factor Arrows
26,634,272
Factor Arrows
23,317,136
Factor Arrows
21,658,568
Factor Arrows
2829,284
Factor Arrows
2414,642
Factor Arrows
2207,321
Factor Arrows
369,107
Factor Arrows
292,383

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, 29, 2383

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 3 x 29 x 2,383 = 13,268,544

This can also be written as 26 x 31 x 291 x 2,3831 = 13,268,544

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


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