this post was submitted on 04 Nov 2024
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Science Memes

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[–] TwilightKiddy@programming.dev 8 points 1 month ago (2 children)

Well, on the side of easy ones there is "if the last digit is divisible by 2, whole number is divisible by 2". Also works for 5. And if you take last 2 digits, it works for 4. And the legendary "if it ends with 0, it's divisible by 10".

[–] darkpanda@lemmy.ca 9 points 1 month ago* (last edited 1 month ago) (1 children)

There’s also the classic “no three positive integers a, b, and c to satisfy a**n + b**n = c**n for values of n greater than 2“ trick but my proof is too large to fit in this comment.

[–] Scubus@sh.itjust.works 3 points 1 month ago (1 children)

Its never divisible by zero, and its always divisible by one

[–] wicked@programming.dev 3 points 1 month ago (1 children)
[–] LordTrychon@startrek.website 1 points 1 month ago

Interesting read. Thank you.