Q: What are the prime factors of the number 28,841,616?

 A: 2, 3, 66763

Why are those the prime factors of the number 28,841,616?

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 28,841,616

28,841,616
Factor Arrows
214,420,808
Factor Arrows
27,210,404
Factor Arrows
23,605,202
Factor Arrows
21,802,601
Factor Arrows
3600,867
Factor Arrows
3200,289
Factor Arrows
366,763

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, 66763

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 66,763 = 28,841,616

This can also be written as 24 x 33 x 66,7631 = 28,841,616

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


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