Q: What are the prime factors of the number 765,936?

 A: 2, 3, 197

Why are those the prime factors of the number 765,936?

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 765,936

765,936
Factor Arrows
2382,968
Factor Arrows
2191,484
Factor Arrows
295,742
Factor Arrows
247,871
Factor Arrows
315,957
Factor Arrows
35,319
Factor Arrows
31,773
Factor Arrows
3591
Factor Arrows
3197

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, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 197 = 765,936

This can also be written as 24 x 35 x 1971 = 765,936

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


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