Q: What are the prime factors of the number 18,012,562?

 A: 2, 37, 47, 5179

Why are those the prime factors of the number 18,012,562?

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 18,012,562

18,012,562
Factor Arrows
29,006,281
Factor Arrows
37243,413
Factor Arrows
475,179

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, 37, 47, 5179

We can check our work by multiplying all of the prime factors together: 2 x 37 x 47 x 5,179 = 18,012,562

This can also be written as 21 x 371 x 471 x 5,1791 = 18,012,562

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


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