Q: What are the prime factors of the number 197,388?

 A: 2, 3, 5483

Why are those the prime factors of the number 197,388?

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 197,388

197,388
Factor Arrows
298,694
Factor Arrows
249,347
Factor Arrows
316,449
Factor Arrows
35,483

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, 5483

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5,483 = 197,388

This can also be written as 22 x 32 x 5,4831 = 197,388

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


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