Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 488: | \[{23^{488}-1\over22}\] | 25 × 3 × 5 × 53 × 7321 × 36479 × 139921 × 11815457 × 3745356569 × 5266228211<10> × 99878964149<11> × 1177252613737<13> × 7385304673895235275701<22> × 720329718614396102132446950313<30> × 4217468380980037880092527701441161<34> × 237916085520023302947010376750220097331<39> × 132783414077130405254351888658780055353142195621910606190244460787610729326419<78> × 34568272632586916110442288280217134483235367495377653821440940142018584037475426352347614843102249823267834600154796852087513070889<131> × [2375549012076474883815764713381973595669585575509321979603500891280733924917022002495635395619719831917091314434713768329179076639359938594716591825212097090524348553725784096878785240973293836617897993694791576409889572542453842279483907078263875393349300254284897<265>] |