Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 723: | \[{7^{723}-1\over6}\] | 3 × 19 × 1447 × 8677 × 28439 × 118119108463<12> × 33486078253526557<17> × 580351872045743557<18> × 1459593675082359821471317<25> × 1468910002980431333570929<25> × 547283138069536869412948975377385222182769003<45> × 2937026550451562627666151150279078330125909163812627<52> × 60453009092135246248533286448209615125383370497353512794300358913<65> × [1735655434070423924148471562724597362556751684284513622254097942173828105033677957988446036796490927267660931400133976739170964204667504046854084336049467716552942993853213142999811389536489638874847065874120561848293619855750882078162771925254737795358236552832729219330008088440728505974941224262463269005067799727985116374654594952171707207<343>] |