57 is called the "Grothendieck Prime" after another eminent mathematician who erroneously said it was prime. Maybe Terry was making an inside joke? https://en

57 is called the "Grothendieck Prime" after another eminent mathematician who erroneously said it was prime. Maybe Terry was making an inside joke? https://en.wikipedia.org/wiki/57_(number) https://en.wikipedia.org/wiki/57_(number)