it's been slightly longer it's 240 decimal digits alright so we don't actually don't know how to factor this number well okay as far as we know perhaps our friends the NSA have factored this number a long time ago okay and and if you want to you know a bigger list of numbers that we don't know how to factor there's a whole page and Wikipedia with lots and lots of numbers going up about six hundred digits big lists of numbers okay so if we could factor integers easily so this problem is looks a simple number theoretic problem but you