Q: What are the prime factors of the number 193,110?

 A: 2, 3, 5, 41, 157

Why are those the prime factors of the number 193,110?

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 193,110

193,110
Factor Arrows
296,555
Factor Arrows
332,185
Factor Arrows
56,437
Factor Arrows
41157

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, 5, 41, 157

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 41 x 157 = 193,110

This can also be written as 21 x 31 x 51 x 411 x 1571 = 193,110

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


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