Q: What are the prime factors of the number 789,160?

 A: 2, 5, 109, 181

Why are those the prime factors of the number 789,160?

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 789,160

789,160
Factor Arrows
2394,580
Factor Arrows
2197,290
Factor Arrows
298,645
Factor Arrows
519,729
Factor Arrows
109181

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, 5, 109, 181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 109 x 181 = 789,160

This can also be written as 23 x 51 x 1091 x 1811 = 789,160

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


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