I was about 48 hours away before @penlume posted the factors. I don't know what he used.
Some people are saying he was in an attic for 7 months with a stack of paper. Some say he built a quantum computer out of an old vacuum and some legos.
About the new RSA-260 record set by @penlume:
The backstory is the last RSA-250 record was set by a team of academics in 2020 using CADO-NFS and took 2,700 CPU-core hours: https://t.co/B8HBD37g8w
Note, "260" is decimal digits, rather than 862 bits we'd normally call it.
Watch the moment that Willis Gibson, a 13-year-old competitive Tetris player prodigy from Oklahoma, advanced so far in the original Nintendo version of the game that it froze and his score read โ999999.โ
โI canโt feel my fingers,โ he said afterward. https://t.co/lGkGRmDYvo