4 ms·I think you'll find this to be the case with any prime.by ljsprague 1y agoI think you'll find this to be the case with any prime.eps 1y agoNot really. There are almost always clearly visible diagonals. Try 199, 211, 223, etc.ljsprague 1y agoYou're right. I guess then it comes down to how far away from a composite it is.