Q: What are the prime factors of the number 211,723,264?

 A: 2, 199, 1039

Why are those the prime factors of the number 211,723,264?

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 211,723,264

211,723,264
Factor Arrows
2105,861,632
Factor Arrows
252,930,816
Factor Arrows
226,465,408
Factor Arrows
213,232,704
Factor Arrows
26,616,352
Factor Arrows
23,308,176
Factor Arrows
21,654,088
Factor Arrows
2827,044
Factor Arrows
2413,522
Factor Arrows
2206,761
Factor Arrows
1991,039

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, 199, 1039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 199 x 1,039 = 211,723,264

This can also be written as 210 x 1991 x 1,0391 = 211,723,264

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


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