ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 11 months agoPaniki.postimg.ccimagemessage-square149fedilinkarrow-up11.3Karrow-down150
arrow-up11.25Karrow-down1imagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 11 months agomessage-square149fedilink
minus-squareMatch!!@pawb.sociallinkfedilinkEnglisharrow-up13·11 months agoQuick check for divisibility: subtract 7 from it. If the new number is divisible by 7, then the original number is too
Quick check for divisibility: subtract 7 from it. If the new number is divisible by 7, then the original number is too