Originally posted by smh
Don't know what i've been doing wrong. I couldn't imagine that it was divisible by five.

Just checked again with newpgen 2.70, and it doesn't divide by 5. newpgen 2.80 crashed while testing.
You are right about NewPGen 2.80 crashing - thanks for spotting that. It happens when there is only 1 number in the fixed k sieve. I have fixed it now.

Regards,

Paul.