Q: What are the prime factors of the number 29,402,976?

 A: 2, 3, 61, 5021

Why are those the prime factors of the number 29,402,976?

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 29,402,976

29,402,976
Factor Arrows
214,701,488
Factor Arrows
27,350,744
Factor Arrows
23,675,372
Factor Arrows
21,837,686
Factor Arrows
2918,843
Factor Arrows
3306,281
Factor Arrows
615,021

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, 61, 5021

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 61 x 5,021 = 29,402,976

This can also be written as 25 x 31 x 611 x 5,0211 = 29,402,976

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


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