How well do you know your Prime Numbers? Functional Maths, GCSE, GCSE Higher, GCSE Maths, Level 2, Prime Numbers, Sporcle Add comments Sep 262015 How well do you know your prime numbers? Challenge your friends to this Sporcle quiz! Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.