Q: What are the prime factors of the number 241,770,459?

 A: 3, 7, 19, 107, 809

Why are those the prime factors of the number 241,770,459?

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 241,770,459

241,770,459
Factor Arrows
380,590,153
Factor Arrows
711,512,879
Factor Arrows
71,644,697
Factor Arrows
1986,563
Factor Arrows
107809

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:

3, 7, 19, 107, 809

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 19 x 107 x 809 = 241,770,459

This can also be written as 31 x 72 x 191 x 1071 x 8091 = 241,770,459

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


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