Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 546: | \[{19^{546}-1\over18}\] | 22 × 3 × 5 × 74 × 432 × 79 × 127 × 131 × 157 × 197 × 313 × 547 × 599 × 701 × 2341 × 2731 × 29251 × 70841 × 127219 × 176021 × 226871 × 291331 × 343393 × 524119 × 30640261 × 68443621 × 133338869 × 887960971 × 421451911540236097<18> × 2916318790400475597229<22> × 2202409598047314333465675421<28> × 914460884935431498198470717283049<33> × 26248650404873688767886247971120943<35> × 46401875339094022338561092368934857261<38> × 111372552514164781899670710272036735926703976961131660860368530051797634505591051484642574481<93> × 2923939133206907426947226992559870261889211413242709440924995808714911224479013144291945580251851583490637782276069144016150149467978161269<139> × [13131231437647659655445682319704699657236961339160516795541748538512400882420614207853475435466426188702295844618466041487936140458646158716609634397514273551772520005551277687412272161<185>] |