Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 660: | \[{30^{660}-1\over29}\] | 72 × 112 × 13 × 17 × 19 × 23 × 31 × 53 × 61 × 67 × 181 × 271 × 331 × 397 × 661 × 1321 × 3631 × 4831 × 9241 × 12211 × 22441 × 34981 × 54121 × 71261 × 88793 × 157081 × 421381 × 460087 × 517831 × 809101 × 837931 × 1457941 × 4234801 × 5213693 × 7642669 × 11275111 × 11839081 × 12109381 × 21872881 × 51941161 × 279811489 × 5829525967<10> × 8929068061<10> × 42623118121<11> × 55918249285141<14> × 81370145080291<14> × 125673792020899<15> × 610851724137931<15> × 22849199744834101<17> × 48044631122893681<17> × 241539342688943311<18> × 9119031913911026141<19> × 80489293617655689493<20> × 267225440198547415861<21> × 49491887059803833028121<23> × 66803214075022052730257<23> × 119897549313640236323021<24> × 492541370954042703727521011<27> × 500172448577183001921124561<27> × 23187568502726787474711384313711<32> × 5085942135466511915303270072275921<34> × 1303537423912556718461511174139788361<37> × 2195300732697876392173840368057788686789<40> × 70849414887662740306930178771310981923946628388478481<53> × 70831203003442244676603987072898082302213257175677752047835631061<65> × 329554995196378575444650658269810846689712601423807257755271312387969374111<75> × [801167764800594614017842141470894870270247004037598032456959159564886373004353848512577062895455303998830865397088395768053381027706788910648256101<147>] |