Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 527: | \[{7^{527}-1\over6}\] | 311 × 3163 × 14009 × 21143 × 2948039 × 2767631689 × 2838933191 × 3999088279399464409<19> × 7626059920573732440788299<25> × [18837558544235815646706183427145538334248418450490424621502578712270680360885173815106805651615438277404800574365312857032054368900589207278155045197066300292479572040294281337762638764228691638808804156340620896377086108099654047712119190832767448824439170215255189539590050794066783796135348223546346415485087220773245355084940566031032921258656172905645030377<362>] |