Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 640: | \[{12^{640}-1\over11}\] | 52 × 13 × 17 × 29 × 41 × 89 × 97 × 233 × 521 × 641 × 769 × 1601 × 2081 × 19141 × 22621 × 36097 × 81281 × 127921 × 153953 × 260753 × 67657441 × 69619841 × 85403261 × 1200913648289<13> × 2478806527025281<16> × 73389730593973249<17> × 3944880362091267809921<22> × 199715619558540486533761<24> × 214538593513800809975201<24> × 1055795013932440451117008321<28> × 44450180997616192602560262634753<32> × 34182189107670005092862256297738241<35> × 34296185317436378627291713048976641<35> × 77941952137713139794518937770197249<35> × 435351148869949467893113969454415367306830863341542993281<57> × 4269687895476075960157631177853699778800535650378313045004855642327863009180807560073475435058063992744749729601<112> × 49365280590558588085882747442824762747301776016244095312560319373309709172038797300846230350412306000832668376010769354904631529195364265437703841909954796327041<161> |