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is 1^127 prime?

 May 26, 2017
 #1
avatar+202 
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no it is 1 and 1 is not prime

 May 26, 2017
edited by Whitespy001  May 26, 2017
 #2
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it is prime

 May 26, 2017
 #3
avatar+2446 
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No, 1127=1. 1 is not a prime number. 

 

Why? To understand, let's make a definition for a prime number. A prime number is a whole number that has exactly two unique positive whole-numbered divisors.

 

Does 1 fit into this definition? No, it does not. To get one, you can multiply 1 and 1 together. 1 and 1 are not unique divisors. Therefore, 1 is not a prime number.

TheXSquaredFactor  May 26, 2017

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