Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 284: | \[{7^{284}-1\over6}\] | 24 × 52 × 569 × 853 × 29537 × 810253 × 990643452963163<15> × 1351405472411521<16> × 40109647514545875958117<23> × 92914860840816888117372433724419584467881183<44> × 169002145064468556765676975247413756542145739<45> × 43316614293777501996969171342615166956318247765081863439793464934656219118249269<80> |