threelonmusketeers@sh.itjust.works to Math Memes@lemmy.blahaj.zoneEnglish · 20 hours agoJohn Conway proves that 91 is the smallest number which looks prime but isn'twww.youtube.comexternal-linkmessage-square18fedilinkarrow-up194arrow-down13
arrow-up191arrow-down1external-linkJohn Conway proves that 91 is the smallest number which looks prime but isn'twww.youtube.comthreelonmusketeers@sh.itjust.works to Math Memes@lemmy.blahaj.zoneEnglish · 20 hours agomessage-square18fedilink
minus-squaremvirts@lemmy.worldlinkfedilinkEnglisharrow-up3·3 hours agoIts only factors are 1 and itself after all
Its only factors are 1 and itself after all