Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[{10^{420}-1\over9}\] | 3 × 72 × 11 × 13 × 29 × 31 × 37 × 41 × 43 × 61 × 71 × 101 × 127 × 211 × 239 × 241 × 271 × 281 × 421 × 1933 × 2161 × 2689 × 3541 × 4649 × 9091 × 9901 × 27961 × 123551 × 226549 × 459691 × 909091 × 2906161 × 3471301 × 4147571 × 4188901 × 10838689 × 13489841 × 39526741 × 121499449 × 1384194841 × 29970369241<11> × 30703738801<11> × 42681134161<11> × 60368344121<11> × 424451728681<12> × 625437743071<12> × 1661378260814161<16> × 102598800232111471<18> × 265212793249617641<18> × 4458192223320340849<19> × 848654483879497562821<21> × 18276168846821336356291<23> × 57802050308786191965409441<26> × 139790941013628227711346421<27> × 282448028612066894256984424869264385801<39> |