Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 416: | \[{22^{416}-1\over21}\] | 5 × 17 × 23 × 53 × 73 × 79 × 97 × 449 × 937 × 1249 × 2003 × 2081 × 3209 × 498733 × 2310689 × 3227992561 × 85107437663<11> × 2468996151857<13> × 2526873929581<13> × 2902518892577<13> × 185880237750481<15> × 12296089473177511<17> × 1828733184302303604001<22> × 29143870915294928051892927679231036228543199439777546693301513<62> × 4011844946261852662359791666962348187002949270965147638970796607244234563404260800821976905626702757244546106789681<115> × 116995687440654783438257560715624031728887407802784561599710002614215569981915194767079015786869079100225094430936000322030290117338426052117222145743246724258489185169614353081481369361144669910365873064950744972768912873110064609<231> |