Q: What are the prime factors of the number 212,220,644?

 A: 2, 53055161

Why are those the prime factors of the number 212,220,644?

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 212,220,644

212,220,644
Factor Arrows
2106,110,322
Factor Arrows
253,055,161

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, 53055161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 53,055,161 = 212,220,644

This can also be written as 22 x 53,055,1611 = 212,220,644

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


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