Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 275: | \[{13^{275}-1\over12}\] | 23 × 419 × 701 × 859 × 2861 × 3851 × 9851 × 18041 × 30941 × 2752135920929651<16> × 13545148572117361<17> × 8603427927040724342317061<25> × 1993936585055302947485396851<28> × [800542570036428156093630209230804646195410135162722293001152777500964336329602009977302630463860375256938395610675186950562467145693227669170396904515606206266609413519060983905486180079031201<192>] |