Mathematics, 14.07.2019 07:30 cjasmine626
Prove that if a and b are positive integers whose sum is a prime p, their greatest common divisor is 1.
Answers: 1
and 
whose sum is a prime number 
, that their greatest common divisor is greater than 1.
is a prime number and 
, then 
, but we assumed earlier that 
, and there are no two positive integers that sum up to 1. 
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Prove that if a and b are positive integers whose sum is a prime p, their greatest common divisor is...
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