Q: What are the prime factors of the number 18,325,251?

 A: 3, 7, 96959

Why are those the prime factors of the number 18,325,251?

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 18,325,251

18,325,251
Factor Arrows
36,108,417
Factor Arrows
32,036,139
Factor Arrows
3678,713
Factor Arrows
796,959

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:

3, 7, 96959

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 96,959 = 18,325,251

This can also be written as 33 x 71 x 96,9591 = 18,325,251

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


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