Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 179: | \[{28^{179}-1\over27}\] | 28283 × 847430079372562001<18> × 1253380598149383587457998615894337974770952346559<49> × [13558496387290568561357071948407032916315450220027583329628672157154770994120738217913917120566513380861144359232658617574870345622046737222543069426650916008169998901981347643777400780089<188>] |