Q: What are the prime factors of the number 14,561,760?

 A: 2, 3, 5, 23, 1319

Why are those the prime factors of the number 14,561,760?

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 14,561,760

14,561,760
Factor Arrows
27,280,880
Factor Arrows
23,640,440
Factor Arrows
21,820,220
Factor Arrows
2910,110
Factor Arrows
2455,055
Factor Arrows
3151,685
Factor Arrows
530,337
Factor Arrows
231,319

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, 5, 23, 1319

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 23 x 1,319 = 14,561,760

This can also be written as 25 x 31 x 51 x 231 x 1,3191 = 14,561,760

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


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