Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 532: | \[{28^{532}-1\over27}\] | 5 × 29 × 113 × 157 × 281 × 11971 × 13007 × 35771 × 214663 × 221047 × 749729 × 1879291 × 2913233 × 4422461 × 10653073 × 21084187 × 268442413 × 1100860153 × 2298760031 × 4295845129<10> × 47560093775549<14> × 1340134333297229<16> × 4138355411111041<16> × 144497896675885033<18> × 352839207641408377<18> × 530795452578128557<18> × 5504044949138999959<19> × 163823513844829941439<21> × 5746048837796495176973<22> × [34046246608006987493546075787187520260460938573537560962554988045406960932095952019487048398583058229747733426151715188790403293588294307774872973785659072021018925559878586751590014098922566503447384290779853122673027924718451257584787171954766650978474596437256343965328578641152563081485082407990884208779462358473457772214092536426474883692756909049204281146355414605391810641210025651700818526377164218620287352719436647021251664100238995693298834871289166782931229948850934288732891583012490780129<503>] |