▲ 1265 ▼ Panik (i.postimg.cc) submitted 2 years ago by ickplant@lemmy.world to c/lemmyshitpost@lemmy.world 146 comments fedilink hide all child comments
[–] Frozengyro@lemmy.world 5 points 2 years ago (1 child) I'm sure every digit has rules to figure it out if you get technical enough. permalink fedilink source parent hideshow 2 child comments replies: [–] logicbomb@lemmy.world 8 points 2 years ago (1 child) I looked up a rule for 7, and it seems like it would take about the same amount of time as actually dividing the number by 7. Meanwhile, it looks like the rule for 8 is to see if the last 3 digits are divisible by 8, which seems like a real time save for big numbers. permalink fedilink source parent hideshow 2 child comments replies: [+] beckerist@lemmy.world 1 point 2 years ago [deleted] permalink fedilink source parent
[–] logicbomb@lemmy.world 8 points 2 years ago (1 child) I looked up a rule for 7, and it seems like it would take about the same amount of time as actually dividing the number by 7. Meanwhile, it looks like the rule for 8 is to see if the last 3 digits are divisible by 8, which seems like a real time save for big numbers. permalink fedilink source parent hideshow 2 child comments replies: [+] beckerist@lemmy.world 1 point 2 years ago [deleted] permalink fedilink source parent
