Q: What are the prime factors of the number 72,096?

 A: 2, 3, 751

Why are those the prime factors of the number 72,096?

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 72,096

72,096
Factor Arrows
236,048
Factor Arrows
218,024
Factor Arrows
29,012
Factor Arrows
24,506
Factor Arrows
22,253
Factor Arrows
3751

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, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 751 = 72,096

This can also be written as 25 x 31 x 7511 = 72,096

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


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