>>105903866
Probably, but I've only reach 5 million (5565709) so far
> (time (fac 100000))
191 collections
8.970057500s elapsed cpu time, including 0.031200200s collecting
9.023377915s elapsed real time, including 0.024942610s collecting
9944222800 bytes allocated, including 9939380528 bytes reclaimed
456574
> (time (fac 1000000))
2000 collections
1269.177335700s elapsed cpu time, including 18.766920300s collecting
1275.942481429s elapsed real time, including 18.749773468s collecting
1200827529008 bytes allocated, including 1200735143232 bytes reclaimed
5565709
The memory use graph for this was interesting, after a series of initial 2gb spikes it flatlined until the end