Q: What are the prime factors of the number 100,223,223?

 A: 3, 47, 67, 103

Why are those the prime factors of the number 100,223,223?

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 100,223,223

100,223,223
Factor Arrows
333,407,741
Factor Arrows
47710,803
Factor Arrows
6710,609
Factor Arrows
103103

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, 47, 67, 103

We can check our work by multiplying all of the prime factors together: 3 x 47 x 67 x 103 x 103 = 100,223,223

This can also be written as 31 x 471 x 671 x 1032 = 100,223,223

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


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