Sjmarf@sh.itjust.works to People Twitter@sh.itjust.works · 1 day agoIt looks so wrongsh.itjust.worksimagemessage-square49fedilinkarrow-up1513arrow-down125
arrow-up1488arrow-down1imageIt looks so wrongsh.itjust.worksSjmarf@sh.itjust.works to People Twitter@sh.itjust.works · 1 day agomessage-square49fedilink
minus-squaresugar_in_your_tea@sh.itjust.workslinkfedilinkarrow-up10·edit-22 hours agoYup, my personal prime check is: Even? Ends in 5? Digits sum to 3? If it fails all three and it’s not an “obvious” prime (<20), then it’s prime enough for me.
minus-squareKnock_Knock_Lemmy_In@lemmy.worldlinkfedilinkarrow-up2·7 hours agoAlso Ends in 0, but that’s covered by 5 really.
minus-squaresugar_in_your_tea@sh.itjust.workslinkfedilinkarrow-up3·2 hours agoIt’s also covered by being even.
Yup, my personal prime check is:
If it fails all three and it’s not an “obvious” prime (<20), then it’s prime enough for me.
Also
Ends in 0,
but that’s covered by 5 really.
It’s also covered by being even.