Accidentally left some unused code in

Thank you!

Prime numbers are by definiton on the range [2,infinity]. The definition can be taken as a number that has no positive divisors besides itself and 1: -2 is not itself positive so doesn't meet the definition.

Python3, I'm getting:

It should work for random inputs too: '-73,-70,-67,-64,-63,-60--58,-56,-53,-51,-49,-47,-44,-41,-40,-38,-36--33,-31--29,-27,-26,-23--21' should equal ''
It should work for random inputs too: '-68,-65,-62,-59,-57,-54--49,-46--44,-42,-39,-37,-34,-32' should equal ''
It should work for random inputs too: '-97,-95,-93,-90,-87,-84,-81,-80,-77--75,-72,-71,-68,-67,-64,-61,-58,-56,-53,-52,-50,-48,-45,-42,-41,-39' should equal ''
It should work for random inputs too: '-88,-86,-83,-82,-79,-76,-75,-72,-70,-69,-66,-64,-62,-59,-57,-54,-52,-49' should equal ''
It should work for random inputs too: '-68,-65,-62,-59,-56,-53,-50,-49,-47,-46,-44,-43,-41--38,-36,-33,-32,-29,-27,-25,-24,-21,-20,-17--15,-12' should equal ''