Q: What are the prime factors of the number 223,112,124?

 A: 2, 3, 757, 2729

Why are those the prime factors of the number 223,112,124?

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 223,112,124

223,112,124
Factor Arrows
2111,556,062
Factor Arrows
255,778,031
Factor Arrows
318,592,677
Factor Arrows
36,197,559
Factor Arrows
32,065,853
Factor Arrows
7572,729

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, 757, 2729

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 757 x 2,729 = 223,112,124

This can also be written as 22 x 33 x 7571 x 2,7291 = 223,112,124

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


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