ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 11 months agoPaniki.postimg.ccimagemessage-square174fedilinkarrow-up11.16Karrow-down145
arrow-up11.11Karrow-down1imagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 11 months agomessage-square174fedilink
minus-squareMatch!!@pawb.sociallinkfedilinkEnglisharrow-up12·11 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