Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 544: | \[{15^{544}-1\over14}\] | 28 × 172 × 113 × 137 × 257 × 443 × 1489 × 7121 × 8161 × 9929 × 29173 × 179953 × 712573 × 8014481 × 10884353 × 1045002649 × 3395062589 × 6734509609<10> × 101462866544971<15> × 12779004583099009<17> × 608605859277144821<18> × 11027512758540304848738178034557774801908443116792728907836334304551657<71> × 4866982213715053986618162171579781347932797667337901813874521010191929896630302240452618011266136473285918411561786822256442840014737<133> × [12005004253118409428159783129840604546747525120880309303357684035897528898798574261901298971036242627445224073223676965132743267300990338393421464184383258339469951219096846137740357327331155483330086085145935196354543239363269212059625425215481802716553960115597161745715161129855544257187500000000001<302>] |