Q: What are the prime factors of the number 223,042,653?

 A: 3, 19, 16103

Why are those the prime factors of the number 223,042,653?

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 223,042,653

223,042,653
Factor Arrows
374,347,551
Factor Arrows
324,782,517
Factor Arrows
38,260,839
Factor Arrows
32,753,613
Factor Arrows
3917,871
Factor Arrows
3305,957
Factor Arrows
1916,103

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, 19, 16103

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 19 x 16,103 = 223,042,653

This can also be written as 36 x 191 x 16,1031 = 223,042,653

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


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