Q: What are the prime factors of the number 18,260,073?

 A: 3, 13, 17341

Why are those the prime factors of the number 18,260,073?

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 18,260,073

18,260,073
Factor Arrows
36,086,691
Factor Arrows
32,028,897
Factor Arrows
3676,299
Factor Arrows
3225,433
Factor Arrows
1317,341

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, 13, 17341

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 13 x 17,341 = 18,260,073

This can also be written as 34 x 131 x 17,3411 = 18,260,073

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


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