Hi Sudokulover,Rambler and scarlett
Thanks for posting the link Rambler ( BTW are you my long lost brother Reinhart????)
Scarlett Yes
And number div by 9 is div by 3
Number div by 8 is div by 4 & 2
And any number div by 72 is div by them all bar the 5. So one number could do for five conditions, one number for the 5 and the other 4 numbers could be primes
Basically im wallowing
YRS THEA
Am searching for some analytic method to rule things in and out.