Q: What are the prime factors of the number 97,736?

 A: 2, 19, 643

Why are those the prime factors of the number 97,736?

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 97,736

97,736
Factor Arrows
248,868
Factor Arrows
224,434
Factor Arrows
212,217
Factor Arrows
19643

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, 19, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 643 = 97,736

This can also be written as 23 x 191 x 6431 = 97,736

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


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