Q: What are the prime factors of the number 123,030,558?

 A: 2, 3, 7, 113, 8641

Why are those the prime factors of the number 123,030,558?

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 123,030,558

123,030,558
Factor Arrows
261,515,279
Factor Arrows
320,505,093
Factor Arrows
36,835,031
Factor Arrows
7976,433
Factor Arrows
1138,641

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, 7, 113, 8641

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 113 x 8,641 = 123,030,558

This can also be written as 21 x 32 x 71 x 1131 x 8,6411 = 123,030,558

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


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