Q: What are the prime factors of the number 72,716,016?

 A: 2, 3, 1514917

Why are those the prime factors of the number 72,716,016?

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 72,716,016

72,716,016
Factor Arrows
236,358,008
Factor Arrows
218,179,004
Factor Arrows
29,089,502
Factor Arrows
24,544,751
Factor Arrows
31,514,917

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, 1514917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 1,514,917 = 72,716,016

This can also be written as 24 x 31 x 1,514,9171 = 72,716,016

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


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