Q: What are the prime factors of the number 14,523,520?

 A: 2, 5, 11, 2063

Why are those the prime factors of the number 14,523,520?

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 14,523,520

14,523,520
Factor Arrows
27,261,760
Factor Arrows
23,630,880
Factor Arrows
21,815,440
Factor Arrows
2907,720
Factor Arrows
2453,860
Factor Arrows
2226,930
Factor Arrows
2113,465
Factor Arrows
522,693
Factor Arrows
112,063

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, 11, 2063

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 5 x 11 x 2,063 = 14,523,520

This can also be written as 27 x 51 x 111 x 2,0631 = 14,523,520

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


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