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MaxxBot
Oct 6, 2003

you could have clapped

you should have clapped!!

poemdexter posted:

I'd probably go for calculating the next prime number.

Telyra posted:

Mersenne prime search. First one over 100 million digits long is worth $150k.

Back in the day when supercomputers were built out of discrete components rather than commodity hardware the mersenne prime search was one of the first programs they would run in testing because it's a relatively simple algorithm that repeats the same operations a huge number of times and will give a wrong result if any individual operation isn't computed correctly. I like this neat wikipedia page showing how long it took to run the algorithm on antiquated hardware, with a modern computer you can do all of the mersenne calculating in world history up to the 80s in like 10 minutes.

https://en.wikipedia.org/wiki/Mersenne_prime#List_of_known_Mersenne_primes

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