tables > factorial > f2+1

n!! + 1

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 412: \[412!!+1\] 2137 × 466742645417<12> × 9148921137233631121<19> × 945392443401918805933<21> × 5211866215170599158453<22> × [128087038685647002753368829721350110367711018278769246713968013852345903123360117119245416776034471065085495447519294616423837062191206071374973028951067767321818498319522884195112242581875133760169862537285934373597744605848566498959040098203361073666110567667112940137400814498959495715202800921750277229936014078315840574628754336676868975015707356541574899942362395499361<375>]

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