Q: What are the prime factors of the number 550,556,356?

 A: 2, 7, 17, 165233

Why are those the prime factors of the number 550,556,356?

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 550,556,356

550,556,356
Factor Arrows
2275,278,178
Factor Arrows
2137,639,089
Factor Arrows
719,662,727
Factor Arrows
72,808,961
Factor Arrows
17165,233

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, 7, 17, 165233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 17 x 165,233 = 550,556,356

This can also be written as 22 x 72 x 171 x 165,2331 = 550,556,356

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


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