Q: What are the prime factors of the number 1,120,798?

 A: 2, 7, 223, 359

Why are those the prime factors of the number 1,120,798?

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 1,120,798

1,120,798
Factor Arrows
2560,399
Factor Arrows
780,057
Factor Arrows
223359

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, 7, 223, 359

We can check our work by multiplying all of the prime factors together: 2 x 7 x 223 x 359 = 1,120,798

This can also be written as 21 x 71 x 2231 x 3591 = 1,120,798

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


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