Q: What are the prime factors of the number 171,367,389?

 A: 3, 757, 25153

Why are those the prime factors of the number 171,367,389?

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 171,367,389

171,367,389
Factor Arrows
357,122,463
Factor Arrows
319,040,821
Factor Arrows
75725,153

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, 757, 25153

We can check our work by multiplying all of the prime factors together: 3 x 3 x 757 x 25,153 = 171,367,389

This can also be written as 32 x 7571 x 25,1531 = 171,367,389

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


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