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What is the smallest prime divisor of 3^{11} + 5^7 + 1?

 Jun 21, 2021
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3^11  + 5^7  +  1  =  255273

 

Sum of the  digits  =  24    which is divisible  by  3

 

So......   3   divides  255273  =   the  smallest prime divisor

 

 

cool cool cool

 Jun 21, 2021

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