Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 695: | \[{8^{695}-1\over7}\] | 31 × 151 × 1883935111 × 1993522711 × 3452778071 × 3578189431 × 5625767248687<13> × 7606017793609<13> × 1271810573168560351<19> × 123876132205208335762278423601<30> × 225797717267637708506527464987314161<36> × 901584692755427378722839770656354167189649601351<48> × 3025226007788738661409218532413354276443310201954701303389245001<64> × 9121860314802631535729338714627536721870308627534265066967795115502591<70> × [77138052852772788058996322063811969379564009800325202432560542180807638664062755232347772711911176933155105168780699045287704334236900320604931437058576853775150436939617951977545482778752552099420928538003458953531428047876126300328689286253257042966304502255106905025682920481504039462078274201<296>] |