Too late to edit my earlier reply, but I remembered what happened - for my newspaper puzzle, only 9 letter words are possible answers, and all 9 letter word pro

Too late to edit my earlier reply, but I remembered what happened - for my newspaper puzzle, only 9 letter words are possible answers, and all 9 letter word products fit in an int64. Then in C# it is faster, casual runs seem to knock 20-25% off the runtime (~0.035 seconds vs ~0.045 seconds), but in PowerShell it is slower. (I'm curious,if it would be possible to shuffle the primes around to bring all words in my full wordlist down to UInt64; the highest is 2810298024552111657086849344270208275 - microspectrophotometries which is some quadrillion times too big. Rearranging the by letter frequency in the wordlist brings it down to 24474928756352445162715195352080 - electroencephalographically which is still a trillion times too big, so I doubt it).