13?
(
LordManley twitter.com/LordManley,
Fri 16 Mar 2012, 15:09,
archived)
Unlucky for some
(
Photoshop Bitch 2014 edition,
Fri 16 Mar 2012, 15:12,
archived)
I think it is 'unlucky for sum'
because prime numbers are rubbish in Maths.
(
LordManley twitter.com/LordManley,
Fri 16 Mar 2012, 15:13,
archived)