ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 1 year agoPaniki.postimg.ccimagemessage-square12fedilinkarrow-up118
arrow-up118imagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 1 year agomessage-square12fedilink
minus-squareMatch!!@pawb.sociallinkfedilinkEnglisharrow-up1·1 year 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