Now that you have lip.o, ratbase and algbase,
) 163572 Mar 5 11:26 algbase [your size/date] 12 Mar 5 11:27 alat 100932 Mar 5 11:19 bbbg0.c 305 Mar 5 11:27 r773 155220 Mar 5 11:25 ratbase [your size/date] compile bbbg0 with something like: gcc -O2 -o bbbg0 bbbg0.c lip.o -lm (LINUX: gcc -O2 -o bbbg0 bbbg0.c lip.o -lm -DBIGENDIAN=0 -DDOUBLES_LOW_HIGH=1 -DPENTIUM) (ALPHA: gcc -O2 -DBIGENDIAN=0 -DALPHA=1 -DDOUBLES_LOW_HIGH=1 -o bbbg0 bbbg0.c lip.o -lm) and run: ratbase 0 < r773 algbase 0 < alat expected messages on stderr are: rational factor base of size 1077870 of primes <= 16777213 created sum 2041694201525630780780247644590609268736 and algebraic factor base of size 1077522 of primes <= 16777139 created 2 388430 267 1 big differences