<P> The first few isolated primes are </P> <Dl> <Dd> 2, 23, 37, 47, 53, 67, 79, 83, 89, 97,...A007510 </Dd> </Dl> <Dd> 2, 23, 37, 47, 53, 67, 79, 83, 89, 97,...A007510 </Dd> <P> It follows from Brun's theorem that almost all primes are members of this sequence . </P>

Can a pair of numbers have more then one common multiple