Q: What are the prime factors of the number 197,532?

 A: 2, 3, 31, 59

Why are those the prime factors of the number 197,532?

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 197,532

197,532
Factor Arrows
298,766
Factor Arrows
249,383
Factor Arrows
316,461
Factor Arrows
35,487
Factor Arrows
31,829
Factor Arrows
3159

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, 31, 59

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 31 x 59 = 197,532

This can also be written as 22 x 33 x 311 x 591 = 197,532

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


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