primesg.c running
1 th prime is 2
the 10th prime is 29
the 100th prime is 541
the 1000th prime is 7919
the 10000th prime is 104729
the 100000th prime is 1299709
the 200000th prime is 2750159
the 300000th prime is 4256233
the 400000th prime is 5800079
the 500000th prime is 7368787
500001 th prime is 7368791
primesg.c finished, primef.h written