Q: What are the prime factors of the number 201,441,664?

 A: 2, 67, 83, 283

Why are those the prime factors of the number 201,441,664?

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 201,441,664

201,441,664
Factor Arrows
2100,720,832
Factor Arrows
250,360,416
Factor Arrows
225,180,208
Factor Arrows
212,590,104
Factor Arrows
26,295,052
Factor Arrows
23,147,526
Factor Arrows
21,573,763
Factor Arrows
6723,489
Factor Arrows
83283

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, 67, 83, 283

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 67 x 83 x 283 = 201,441,664

This can also be written as 27 x 671 x 831 x 2831 = 201,441,664

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


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