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а) 1452     2                б) 1980     2                 в) 3960     2         
     726      2                     990      2                     1980      2
     363      3                     495      3                       990      2
     121      11                       165      3                       495      3
     11        11                        55       5                       165      3
      1                                    11       11                        55      5
                                            1                                    11      11
                                                                                 1


г) 2295     3                  д) 35100     2    
     765     3                       17550     2
     255     3                         8775     3
       85     5                         2925     3
       17    17                          975     3    
        1                                   325     5
                                               65     5
                                               13    13
                                                1