Q: What are the prime factors of the number 823,110,453?

 A: 3, 11, 23, 193, 1873

Why are those the prime factors of the number 823,110,453?

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 823,110,453

823,110,453
Factor Arrows
3274,370,151
Factor Arrows
391,456,717
Factor Arrows
118,314,247
Factor Arrows
23361,489
Factor Arrows
1931,873

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, 11, 23, 193, 1873

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 23 x 193 x 1,873 = 823,110,453

This can also be written as 32 x 111 x 231 x 1931 x 1,8731 = 823,110,453

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


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