Q: What are the prime factors of the number 29,972,832?

 A: 2, 3, 312217

Why are those the prime factors of the number 29,972,832?

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 29,972,832

29,972,832
Factor Arrows
214,986,416
Factor Arrows
27,493,208
Factor Arrows
23,746,604
Factor Arrows
21,873,302
Factor Arrows
2936,651
Factor Arrows
3312,217

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, 312217

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 312,217 = 29,972,832

This can also be written as 25 x 31 x 312,2171 = 29,972,832

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


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