Yeah if you know you're definitely dealing with integers that are large, and are willing to pay the cost to promote into biginteger territory, that's certainly

Yeah if you know you're definitely dealing with integers that are large, and are willing to pay the cost to promote into biginteger territory, that's certainly a way to do it with the stdlib. The nice ergonomic thing about clojure.math.numeric-tower is you can shove any of the Clojure numeric types at it (longs, doubles, but also Ratio or BigNum etc) and it'll intelligently handle the various combinations of types in order to give you the best answer it can