# of digits | Prime |
9 | 199656991 |
17 | 19961996769916991 |
17 | 19966991419966991 |
19 | 1996469918199646991 |
19 | 1996869915199686991 |
19 | 1996869919199686991 |
37 | 1996369911996369912199636991199636991 |
37 | 1996869911996869916199686991199686991 |
55 | (199646991)31(199646991)3 |
73 | (199646991)45(199646991)4 |
73 | (199656991)45(199656991)4 |
73 | (199686991)42(199686991)4 |
73 | (199686991)46(199686991)4 |
89 | (1996)116(6991)11 |
89 | (1996)119(6991)11 |
91 | (199636991)53(199636991)5 |
97 | (19966991)64(19966991)6 |
105 | (1996)133(6991)13 |
109 | (199626991)64(199626991)6 |
109 | (199676991)61(199676991)6 |
109 | (199696991)68(199696991)6 |
113 | (1996)149(6991)14 |
127 | (199616991)72(199616991)7 |
127 | (199636991)71(199636991)7 |
129 | (19966991)82(19966991)8 |