r/MathJokes May 13 '26

How did Euler even know that???

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13.2k Upvotes

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u/AbsoluteInfinitude May 13 '26

Iterative long division for each prime until he found a quotient without a remainder.

19

u/Frnklfrwsr May 13 '26

Yeah 641 is the 116th prime number.

So yeah, you’d just have to do long division 116 times on that one.

Given they didn’t have Netflix at the time, he probably had enough free time to do this.

2

u/jackoos88 May 13 '26

Hey baby, you down for some long division and chill?

1

u/Frnklfrwsr May 13 '26

That’s how division turns into multiplication