Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 590: | \[{18^{590}-1\over17}\] | 11 × 19 × 41 × 2711 × 7907 × 9041 × 47791 × 1543441 × 4295428888967<13> × 128998224914431<15> × 312278175742409<15> × 2496645114842761<16> × 3399507553191174001<19> × 1365174408797200394881<22> × 39128840454084865858255640571151<32> × 1004449614564446778936797153516772273241<40> × 766147628007216704407313006855253474763752903066750740186891996861801<69> × [516842100796841209996592295543541760389762450046385253734591142276796689899556775675443866698587239636667838756324961052598235229815225083574018365864186457585835294986557902278761826283287203208328025370925161410363380051333336010011<234>] × 6280825489838937768600108691751086129097892380279107150568027744795173113483926850587531525665313242719642392205290804098901197353353121675531096465830277879209763144415392024870272339910119493046908292516939016475352783271782350574412712787081<244> |