[paulpauper]

agree. how else do famous unsolved math problems eventually get solved?

[math_dandy]

It varies, but it often comes down to deep expertise combined with creativity, years of toil, and standing on the shoulders of giants. Cf. Fermat’s Last Theorem, bounded gaps between primes, the Weil conjectures, the Poincaré conjecture, etc.

[brigadier132]

Search.