Q: What are the prime factors of the number 18,252,960?

 A: 2, 3, 5, 11, 3457

Why are those the prime factors of the number 18,252,960?

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 18,252,960

18,252,960
Factor Arrows
29,126,480
Factor Arrows
24,563,240
Factor Arrows
22,281,620
Factor Arrows
21,140,810
Factor Arrows
2570,405
Factor Arrows
3190,135
Factor Arrows
538,027
Factor Arrows
113,457

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, 11, 3457

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 11 x 3,457 = 18,252,960

This can also be written as 25 x 31 x 51 x 111 x 3,4571 = 18,252,960

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


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