Q: What are the prime factors of the number 18,054,828?

 A: 2, 3, 11, 127, 359

Why are those the prime factors of the number 18,054,828?

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 18,054,828

18,054,828
Factor Arrows
29,027,414
Factor Arrows
24,513,707
Factor Arrows
31,504,569
Factor Arrows
3501,523
Factor Arrows
1145,593
Factor Arrows
127359

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, 11, 127, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 127 x 359 = 18,054,828

This can also be written as 22 x 32 x 111 x 1271 x 3591 = 18,054,828

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


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