Q: What are the prime factors of the number 212,746,768?

 A: 2, 13, 1022821

Why are those the prime factors of the number 212,746,768?

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 212,746,768

212,746,768
Factor Arrows
2106,373,384
Factor Arrows
253,186,692
Factor Arrows
226,593,346
Factor Arrows
213,296,673
Factor Arrows
131,022,821

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, 13, 1022821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 1,022,821 = 212,746,768

This can also be written as 24 x 131 x 1,022,8211 = 212,746,768

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


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