Q: What are the prime factors of the number 216,254,047?

 A: 31, 79, 227, 389

Why are those the prime factors of the number 216,254,047?

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 216,254,047

216,254,047
Factor Arrows
316,975,937
Factor Arrows
7988,303
Factor Arrows
227389

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:

31, 79, 227, 389

We can check our work by multiplying all of the prime factors together: 31 x 79 x 227 x 389 = 216,254,047

This can also be written as 311 x 791 x 2271 x 3891 = 216,254,047

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


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