Q: What are the prime factors of the number 211,315,023?

 A: 3, 211, 223, 499

Why are those the prime factors of the number 211,315,023?

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 211,315,023

211,315,023
Factor Arrows
370,438,341
Factor Arrows
323,479,447
Factor Arrows
211111,277
Factor Arrows
223499

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, 211, 223, 499

We can check our work by multiplying all of the prime factors together: 3 x 3 x 211 x 223 x 499 = 211,315,023

This can also be written as 32 x 2111 x 2231 x 4991 = 211,315,023

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


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