Q: What are the prime factors of the number 13,288,960?

 A: 2, 5, 29, 179

Why are those the prime factors of the number 13,288,960?

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 13,288,960

13,288,960
Factor Arrows
26,644,480
Factor Arrows
23,322,240
Factor Arrows
21,661,120
Factor Arrows
2830,560
Factor Arrows
2415,280
Factor Arrows
2207,640
Factor Arrows
2103,820
Factor Arrows
251,910
Factor Arrows
225,955
Factor Arrows
55,191
Factor Arrows
29179

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, 29, 179

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 2 x 2 x 2 x 5 x 29 x 179 = 13,288,960

This can also be written as 29 x 51 x 291 x 1791 = 13,288,960

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


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