Factor Info

ID 21784
Size 666 digits / 2210 bits
Status composite
Value 178487280130663126830678362182344076906936787459302204823453841352232578483581048120583190382125340571703120913568427761420119505107611645044581807206273347079212040792643667305086106017999001540957002167502985875366338703623309932675024398508361291856064763947896430878685469448596895442026092231993381834097439064209316729850009746388643323807029202439096274040330620411111790983467671299396780612546662890767824695161938423425633975866253844292936844080982327289509519555884880486469890271759561225272619427879090036600955227295719841488773909048263415389324291120552514605928805923516678879320616506651992958404739370555608031353844867356993526144392274245741227

Factorizations

Primary (ID: 21785) 65203052535938640122309 (proven prime)
(ID: 21786) 2737406811318909472379850004358158012448933144713470735237617126149617764795254578790897299973262063975550655519761657909279128760671868234621813403686106982623290425723779084451306039430043865199410106378740822619990343628501271404519359382763309398021720770471282564041871648963781660349614622551223912098166055313193147558766238842973247872256551345998519219129316976134043226884355912477915030207100800538508441016567216875399534714790007434043895412416527686561079283539376155560988171559171268443918668343005232057732960705969537588650901822377754418617795233869419056959887425009143779483071447339480549524843249655153321138348737462703 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.