| Step | Hyp | Ref
| Expression |
| 1 | | zringring 19821 |
. . . . . 6
ℤring  |
| 2 | | prmirred.i |
. . . . . . 7
Irred ℤring |
| 3 | | zring1 19829 |
. . . . . . 7
  ℤring |
| 4 | 2, 3 | irredn1 18706 |
. . . . . 6
 ℤring 
  |
| 5 | 1, 4 | mpan 706 |
. . . . 5
   |
| 6 | 5 | anim2i 593 |
. . . 4
 
     |
| 7 | | eluz2b3 11762 |
. . . 4
         |
| 8 | 6, 7 | sylibr 224 |
. . 3
 
       |
| 9 | | nnz 11399 |
. . . . . . . 8
   |
| 10 | 9 | ad2antrl 764 |
. . . . . . 7
         |
| 11 | | simprr 796 |
. . . . . . . 8
      
  |
| 12 | | nnne0 11053 |
. . . . . . . . . 10
   |
| 13 | 12 | ad2antrl 764 |
. . . . . . . . 9
         |
| 14 | | nnz 11399 |
. . . . . . . . . 10
   |
| 15 | 14 | ad2antrr 762 |
. . . . . . . . 9
      
  |
| 16 | | dvdsval2 14986 |
. . . . . . . . 9
   
     |
| 17 | 10, 13, 15, 16 | syl3anc 1326 |
. . . . . . . 8
             |
| 18 | 11, 17 | mpbid 222 |
. . . . . . 7
           |
| 19 | 15 | zcnd 11483 |
. . . . . . . . 9
      
  |
| 20 | | nncn 11028 |
. . . . . . . . . 10
   |
| 21 | 20 | ad2antrl 764 |
. . . . . . . . 9
         |
| 22 | 19, 21, 13 | divcan2d 10803 |
. . . . . . . 8
             |
| 23 | | simplr 792 |
. . . . . . . 8
      
  |
| 24 | 22, 23 | eqeltrd 2701 |
. . . . . . 7
             |
| 25 | | zringbas 19824 |
. . . . . . . 8
  ℤring |
| 26 | | eqid 2622 |
. . . . . . . 8
Unit ℤring Unit ℤring |
| 27 | | zringmulr 19827 |
. . . . . . . 8
  ℤring |
| 28 | 2, 25, 26, 27 | irredmul 18709 |
. . . . . . 7
  
       Unit ℤring
  Unit ℤring   |
| 29 | 10, 18, 24, 28 | syl3anc 1326 |
. . . . . 6
        Unit ℤring
  Unit ℤring   |
| 30 | | zringunit 19836 |
. . . . . . . . . 10
 Unit ℤring
        |
| 31 | 30 | baib 944 |
. . . . . . . . 9
  Unit ℤring        |
| 32 | 10, 31 | syl 17 |
. . . . . . . 8
        Unit ℤring        |
| 33 | | nnnn0 11299 |
. . . . . . . . . . 11
   |
| 34 | | nn0re 11301 |
. . . . . . . . . . . 12

  |
| 35 | | nn0ge0 11318 |
. . . . . . . . . . . 12

  |
| 36 | 34, 35 | absidd 14161 |
. . . . . . . . . . 11

      |
| 37 | 33, 36 | syl 17 |
. . . . . . . . . 10
       |
| 38 | 37 | ad2antrl 764 |
. . . . . . . . 9
             |
| 39 | 38 | eqeq1d 2624 |
. . . . . . . 8
               |
| 40 | 32, 39 | bitrd 268 |
. . . . . . 7
        Unit ℤring    |
| 41 | | zringunit 19836 |
. . . . . . . . . 10
   Unit ℤring
            |
| 42 | 41 | baib 944 |
. . . . . . . . 9
      Unit ℤring          |
| 43 | 18, 42 | syl 17 |
. . . . . . . 8
          Unit ℤring          |
| 44 | | nnre 11027 |
. . . . . . . . . . . . 13
   |
| 45 | 44 | ad2antrr 762 |
. . . . . . . . . . . 12
      
  |
| 46 | | simprl 794 |
. . . . . . . . . . . 12
         |
| 47 | 45, 46 | nndivred 11069 |
. . . . . . . . . . 11
           |
| 48 | | nnnn0 11299 |
. . . . . . . . . . . . . 14
   |
| 49 | | nn0ge0 11318 |
. . . . . . . . . . . . . 14

  |
| 50 | 48, 49 | syl 17 |
. . . . . . . . . . . . 13
   |
| 51 | 50 | ad2antrr 762 |
. . . . . . . . . . . 12
      
  |
| 52 | 46 | nnred 11035 |
. . . . . . . . . . . 12
         |
| 53 | | nngt0 11049 |
. . . . . . . . . . . . 13
   |
| 54 | 53 | ad2antrl 764 |
. . . . . . . . . . . 12
      
  |
| 55 | | divge0 10892 |
. . . . . . . . . . . 12
  
   
    |
| 56 | 45, 51, 52, 54, 55 | syl22anc 1327 |
. . . . . . . . . . 11
      
    |
| 57 | 47, 56 | absidd 14161 |
. . . . . . . . . 10
                 |
| 58 | 57 | eqeq1d 2624 |
. . . . . . . . 9
             
     |
| 59 | | 1cnd 10056 |
. . . . . . . . . 10
         |
| 60 | 19, 21, 59, 13 | divmuld 10823 |
. . . . . . . . 9
               |
| 61 | 21 | mulid1d 10057 |
. . . . . . . . . 10
           |
| 62 | 61 | eqeq1d 2624 |
. . . . . . . . 9
             |
| 63 | 58, 60, 62 | 3bitrd 294 |
. . . . . . . 8
             
   |
| 64 | 43, 63 | bitrd 268 |
. . . . . . 7
          Unit ℤring    |
| 65 | 40, 64 | orbi12d 746 |
. . . . . 6
         Unit ℤring
  Unit ℤring
     |
| 66 | 29, 65 | mpbid 222 |
. . . . 5
           |
| 67 | 66 | expr 643 |
. . . 4
           |
| 68 | 67 | ralrimiva 2966 |
. . 3
 
        |
| 69 | | isprm2 15395 |
. . 3

             |
| 70 | 8, 68, 69 | sylanbrc 698 |
. 2
 
   |
| 71 | | prmz 15389 |
. . . 4

  |
| 72 | | 1nprm 15392 |
. . . . 5
 |
| 73 | | zringunit 19836 |
. . . . . 6
 Unit ℤring
        |
| 74 | | prmnn 15388 |
. . . . . . . . . 10

  |
| 75 | | nn0re 11301 |
. . . . . . . . . . 11

  |
| 76 | 75, 49 | absidd 14161 |
. . . . . . . . . 10

      |
| 77 | 74, 48, 76 | 3syl 18 |
. . . . . . . . 9

      |
| 78 | | id 22 |
. . . . . . . . 9

  |
| 79 | 77, 78 | eqeltrd 2701 |
. . . . . . . 8

      |
| 80 | | eleq1 2689 |
. . . . . . . 8
         
   |
| 81 | 79, 80 | syl5ibcom 235 |
. . . . . . 7

        |
| 82 | 81 | adantld 483 |
. . . . . 6

          |
| 83 | 73, 82 | syl5bi 232 |
. . . . 5

 Unit ℤring
   |
| 84 | 72, 83 | mtoi 190 |
. . . 4

Unit ℤring  |
| 85 | | simplrl 800 |
. . . . . . . . . . . 12
           |
| 86 | 85 | zcnd 11483 |
. . . . . . . . . . 11
           |
| 87 | 74 | ad2antrr 762 |
. . . . . . . . . . . . . 14
           |
| 88 | 87 | nnne0d 11065 |
. . . . . . . . . . . . 13
           |
| 89 | | simpr 477 |
. . . . . . . . . . . . 13
             |
| 90 | | simplrr 801 |
. . . . . . . . . . . . . . 15
           |
| 91 | 90 | zcnd 11483 |
. . . . . . . . . . . . . 14
           |
| 92 | 91 | mul02d 10234 |
. . . . . . . . . . . . 13
             |
| 93 | 88, 89, 92 | 3netr4d 2871 |
. . . . . . . . . . . 12
               |
| 94 | | oveq1 6657 |
. . . . . . . . . . . . 13
       |
| 95 | 94 | necon3i 2826 |
. . . . . . . . . . . 12
       |
| 96 | 93, 95 | syl 17 |
. . . . . . . . . . 11
           |
| 97 | 86, 96 | absne0d 14186 |
. . . . . . . . . 10
               |
| 98 | 97 | neneqd 2799 |
. . . . . . . . 9
               |
| 99 | | nn0abscl 14052 |
. . . . . . . . . . . 12
       |
| 100 | 85, 99 | syl 17 |
. . . . . . . . . . 11
               |
| 101 | | elnn0 11294 |
. . . . . . . . . . 11
    
            |
| 102 | 100, 101 | sylib 208 |
. . . . . . . . . 10
                     |
| 103 | 102 | ord 392 |
. . . . . . . . 9
                     |
| 104 | 98, 103 | mt3d 140 |
. . . . . . . 8
               |
| 105 | 69 | simprbi 480 |
. . . . . . . . 9

       |
| 106 | 105 | ad2antrr 762 |
. . . . . . . 8
                |
| 107 | | dvdsmul1 15003 |
. . . . . . . . . . 11
 
     |
| 108 | 107 | ad2antlr 763 |
. . . . . . . . . 10
             |
| 109 | 108, 89 | breqtrd 4679 |
. . . . . . . . 9
           |
| 110 | 71 | ad2antrr 762 |
. . . . . . . . . 10
           |
| 111 | | absdvdsb 15000 |
. . . . . . . . . 10
 
         |
| 112 | 85, 110, 111 | syl2anc 693 |
. . . . . . . . 9
         
       |
| 113 | 109, 112 | mpbid 222 |
. . . . . . . 8
               |
| 114 | | breq1 4656 |
. . . . . . . . . 10
    

   
   |
| 115 | | eqeq1 2626 |
. . . . . . . . . . 11
    

       |
| 116 | | eqeq1 2626 |
. . . . . . . . . . 11
    

       |
| 117 | 115, 116 | orbi12d 746 |
. . . . . . . . . 10
    
                |
| 118 | 114, 117 | imbi12d 334 |
. . . . . . . . 9
    
 
                      |
| 119 | 118 | rspcv 3305 |
. . . . . . . 8
      
        
              |
| 120 | 104, 106,
113, 119 | syl3c 66 |
. . . . . . 7
                     |
| 121 | | zringunit 19836 |
. . . . . . . . . 10
 Unit ℤring
        |
| 122 | 121 | baib 944 |
. . . . . . . . 9
  Unit ℤring        |
| 123 | 85, 122 | syl 17 |
. . . . . . . 8
          Unit ℤring        |
| 124 | 90, 31 | syl 17 |
. . . . . . . . 9
          Unit ℤring        |
| 125 | 91 | abscld 14175 |
. . . . . . . . . . 11
               |
| 126 | 125 | recnd 10068 |
. . . . . . . . . 10
               |
| 127 | | 1cnd 10056 |
. . . . . . . . . 10
           |
| 128 | 86 | abscld 14175 |
. . . . . . . . . . 11
               |
| 129 | 128 | recnd 10068 |
. . . . . . . . . 10
               |
| 130 | 126, 127,
129, 97 | mulcand 10660 |
. . . . . . . . 9
                                 |
| 131 | 89 | fveq2d 6195 |
. . . . . . . . . . . 12
                     |
| 132 | 86, 91 | absmuld 14193 |
. . . . . . . . . . . 12
                           |
| 133 | 77 | ad2antrr 762 |
. . . . . . . . . . . 12
               |
| 134 | 131, 132,
133 | 3eqtr3d 2664 |
. . . . . . . . . . 11
                     |
| 135 | 129 | mulid1d 10057 |
. . . . . . . . . . 11
                     |
| 136 | 134, 135 | eqeq12d 2637 |
. . . . . . . . . 10
                                 |
| 137 | | eqcom 2629 |
. . . . . . . . . 10
           |
| 138 | 136, 137 | syl6bb 276 |
. . . . . . . . 9
                                 |
| 139 | 124, 130,
138 | 3bitr2d 296 |
. . . . . . . 8
          Unit ℤring        |
| 140 | 123, 139 | orbi12d 746 |
. . . . . . 7
           Unit ℤring
Unit ℤring
             |
| 141 | 120, 140 | mpbird 247 |
. . . . . 6
          Unit ℤring
Unit ℤring   |
| 142 | 141 | ex 450 |
. . . . 5
  
 
    Unit ℤring
Unit ℤring    |
| 143 | 142 | ralrimivva 2971 |
. . . 4

    
 Unit ℤring
Unit ℤring    |
| 144 | 25, 26, 2, 27 | isirred2 18701 |
. . . 4

 Unit ℤring
    
 Unit ℤring
Unit ℤring     |
| 145 | 71, 84, 143, 144 | syl3anbrc 1246 |
. . 3

  |
| 146 | 145 | adantl 482 |
. 2
 

  |
| 147 | 70, 146 | impbida 877 |
1
 
   |