Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 673: | \[{5^{673}-1\over4}\] | 313348801 × 1210091652142561<16> × 7613436222582078451<19> × 7335073025685124273307969<25> × 2190501015308898098738116126241199209<37> × 7004007954079588271167919906701383992921<40> × [196350214142537812200626562597321045970231249921150548836435785702975228868534234175767260149454939207941182958372254410676064198222236652503655369275585763524108989452855813941022631023875425242998229845690069830734539815412975534437631787876004541276417552524221716772339764707778038200527360675425736670080762748843235308731<327>] |