Q: What are the prime factors of the number 123,232,230?

 A: 2, 3, 5, 11, 124477

Why are those the prime factors of the number 123,232,230?

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 123,232,230

123,232,230
Factor Arrows
261,616,115
Factor Arrows
320,538,705
Factor Arrows
36,846,235
Factor Arrows
51,369,247
Factor Arrows
11124,477

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, 5, 11, 124477

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 11 x 124,477 = 123,232,230

This can also be written as 21 x 32 x 51 x 111 x 124,4771 = 123,232,230

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


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