It really depends on who you're asking....
Chat with our AI personalities
Oh honey, there's no one "hardest math question in the whole world." Math is like a never-ending buffet of brain teasers! But if you're looking for a toughie, the Millennium Prize Problems are a good place to start. As for the answers, well, those are worth a cool million bucks each if you can crack 'em. Good luck, darling!
AP CALCULAS AP CALCULUS* is not the hardest math. Analysis, Set theory, Algebra, Topology, Calculus and Number Theory
HL math
If you are talking about coolmath.com then the hardest game is called the world's hardest game and it is about trying to take a red ball across to the other side without getting hit by the blue balls and collecting the yellow ones!
Pre-Calculus