Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 495: | \[{31^{495}-1\over30}\] | 32 × 5 × 112 × 23 × 199 × 271 × 331 × 397 × 617 × 991 × 1321 × 2521 × 3637 × 17351 × 63901 × 81343 × 106291 × 204733 × 418771 × 150332843 × 167767051 × 327412201 × 36093579787<11> × 294573316951<12> × 377475051691<12> × 215792743120601131<18> × 3763784187326467459<19> × 869535983092745596321<21> × 337048683633480845467801<24> × 650141690025315305584300036801<30> × 236661696642275153056980146191674776616380367693641<51> × 159315684844401735840593210406268936914695027737050410326853325901125096672398311850809028114964615951125738957216281<117> × [53451050644751589022117865611985540151663407462575211006610337915523942887108351371245252862519855692215856291012569249992163694478786040296967755261282427513735123329895666953376154121087230801368815280310744547081905296167775705754544589710822519312339082791885989619290079730161065246500716200078715585812761772053966047751565331319399441<341>] |