#!/usr/bin/env python3
import subprocess,time
t=time.time()
ns=list(range(10**18,10**18+100))
s=subprocess.run(['/usr/bin/factor'],input='\n'.join(map(str,ns))+'\n',text=True,capture_output=True,timeout=6)
print(time.time()-t,len(s.stdout.splitlines()),s.stdout[:300],s.stderr[:100])