Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 660: | \[{27^{660}-1\over26}\] | 23 × 52 × 7 × 113 × 19 × 23 × 31 × 37 × 61 × 67 × 73 × 181 × 199 × 271 × 331 × 397 × 661 × 757 × 991 × 1181 × 1321 × 1621 × 2971 × 3851 × 4357 × 4561 × 4951 × 5501 × 25411 × 50821 × 176401 × 176419 × 177101 × 387631 × 530713 × 570461 × 659671 × 755551 × 927001 × 1286011 × 3186217 × 35669701 × 47763361 × 337448233 × 2413941289 × 4401193897<10> × 4968781621<10> × 378450588583<12> × 3571691108833<13> × 11123788282861<14> × 24472341743191<14> × 560088668384411<15> × 1251722061041761<16> × 111326949838019521<18> × 452808441334403281<18> × 13490012358249728401<20> × 650229042030120136981<21> × 12812432238302009985937<23> × 654293842943765077487715079539511<33> × 927319729649066047885192700193701<33> × 4183739978746243239852385111562221<34> × 114472588217384521018097943019137001<36> × 37073055770742955860149669357943581889942083408919721<53> × 2535780163733034855894105623350204349166417440513207461<55> × 2463695959847156795652548419274400151197734956109716722961<58> × 176866524087860744584118689063694356357715157683631402084481<60> × [8319534522370098350428686345024003068596591513636655617850088112734022750606360744115574000208352583980812056966170754065756709718444345412797267358851101156150740087531302720967960528993872612377860554415160428641<214>] |