Q: What are the prime factors of the number 72,367,488?

 A: 2, 3, 62819

Why are those the prime factors of the number 72,367,488?

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 72,367,488

72,367,488
Factor Arrows
236,183,744
Factor Arrows
218,091,872
Factor Arrows
29,045,936
Factor Arrows
24,522,968
Factor Arrows
22,261,484
Factor Arrows
21,130,742
Factor Arrows
2565,371
Factor Arrows
3188,457
Factor Arrows
362,819

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, 62819

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 62,819 = 72,367,488

This can also be written as 27 x 32 x 62,8191 = 72,367,488

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


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