Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 621: | \[{10^{621}-1\over9}\] | 33 × 37 × 277 × 757 × 333667 × 11055043 × 1970554717 × 109908191603107<15> × 203864078068831<15> × 440334654777631<15> × 11111111111111111111111<23> × 1595352086329224644348978893<28> × 30483187506704565749803762042596649<35> × 3343594428384401477244840930119560710799<40> × 823799348530495507269035013254489287846904557<45> × 19499003966374286758013299766061908577638088361<47> × 11033517351146841676953477818524172302174982813132058195800613488154982399<74> × [23097483569860294776111223488216203575580409882825671110023229069667892610279354187437309295357662326572382860824737822279873805754063470612661767801884579384487013072734444270618339961824316780242368389426274239436800711614573756191930084045330229382149585561<260>] |