Square-free integers from 1 to 145:
   1    2    3    5    6    7   10   11   13   14   15   17   19   21   22   23   26   29   30   31 
  33   34   35   37   38   39   41   42   43   46   47   51   53   55   57   58   59   61   62   65 
  66   67   69   70   71   73   74   77   78   79   82   83   85   86   87   89   91   93   94   95 
  97  101  102  103  105  106  107  109  110  111  113  114  115  118  119  122  123  127  129  130 
 131  133  134  137  138  139  141  142  143  145 

Square-free integers from 1000000000000 to 1000000000145:
 1000000000001  1000000000002  1000000000003  1000000000005  1000000000006 
 1000000000007  1000000000009  1000000000011  1000000000013  1000000000014 
 1000000000015  1000000000018  1000000000019  1000000000021  1000000000022 
 1000000000023  1000000000027  1000000000029  1000000000030  1000000000031 
 1000000000033  1000000000037  1000000000038  1000000000039  1000000000041 
 1000000000042  1000000000043  1000000000045  1000000000046  1000000000047 
 1000000000049  1000000000051  1000000000054  1000000000055  1000000000057 
 1000000000058  1000000000059  1000000000061  1000000000063  1000000000065 
 1000000000066  1000000000067  1000000000069  1000000000070  1000000000073 
 1000000000074  1000000000077  1000000000078  1000000000079  1000000000081 
 1000000000082  1000000000085  1000000000086  1000000000087  1000000000090 
 1000000000091  1000000000093  1000000000094  1000000000095  1000000000097 
 1000000000099  1000000000101  1000000000102  1000000000103  1000000000105 
 1000000000106  1000000000109  1000000000111  1000000000113  1000000000114 
 1000000000115  1000000000117  1000000000118  1000000000119  1000000000121 
 1000000000122  1000000000123  1000000000126  1000000000127  1000000000129 
 1000000000130  1000000000133  1000000000135  1000000000137  1000000000138 
 1000000000139  1000000000141  1000000000142  1000000000145 

Number of square-free numbers between 1 and 100:  61 
Number of square-free numbers between 1 and 1000:  608 
Number of square-free numbers between 1 and 10000:  6083 
Number of square-free numbers between 1 and 100000:  60794
Number of square-free numbers between 1 and 1000000:  607926