Q: What are the prime factors of the number 26,821,878?

 A: 2, 3, 443, 10091

Why are those the prime factors of the number 26,821,878?

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 26,821,878

26,821,878
Factor Arrows
213,410,939
Factor Arrows
34,470,313
Factor Arrows
44310,091

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, 443, 10091

We can check our work by multiplying all of the prime factors together: 2 x 3 x 443 x 10,091 = 26,821,878

This can also be written as 21 x 31 x 4431 x 10,0911 = 26,821,878

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


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