Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 598: | \[{15^{598}-1\over14}\] | 24 × 47 × 53 × 79 × 599 × 829 × 6257 × 18539 × 31741 × 81421 × 157483 × 825287 × 16655159 × 3549551867 × 1539711288259<13> × 108028994387029<15> × 3046462151831565769<19> × 965030382553184960897<21> × [24804742356004106388414123037743803751819265410165693981450103563601583703872717412377141148546141100607632674521694300336637393232202738495845775886200873238729525373824960192051121585065607535554768426709025148531242388757820764838903563690031155014076608051639284577<269>] × [32818680376962434916231878464247648063726803774378024290660834866861102615268498139280752328101651865461888396625661550632421858532289623154674820539413842033577394928459880117999262125967871080602212390683005505416003826756361443699808206197227988720648162656589490203157786634405142395111917142723336181640641<311>] |