Q: What are the prime factors of the number 18,192,465?

 A: 3, 5, 17, 7927

Why are those the prime factors of the number 18,192,465?

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 18,192,465

18,192,465
Factor Arrows
36,064,155
Factor Arrows
32,021,385
Factor Arrows
3673,795
Factor Arrows
5134,759
Factor Arrows
177,927

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, 5, 17, 7927

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 17 x 7,927 = 18,192,465

This can also be written as 33 x 51 x 171 x 7,9271 = 18,192,465

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


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