Factor Info

ID 172845
Size 617 digits / 2048 bits
Status composite
Value 20711729584624405652294176121254523206492382831072909152565303904146078568368000712137582317895009347958723918059112889081274965433235188206011998873431728618464397402481114251168334441118538525920528530431061362217043176230152531662239082884232744103482896217744295528253902391786755056324459698354325599701266774613574061628031578253579065176733866640097656411106399126974085800674398064703746296721110892411979579649906273618551819960092826866343176101567411650493996428536737932729863856954555045455426335003532150674050196005686386390610859920633584180869149711241735793391507182088690066679248230929831347281273

Factorizations

Primary (ID: 171415) 283162745757740538620032064126776401913969 (proven prime)
(ID: 172846) 73144260305853562943715869439681320090852961776902205318047851379788074551330330875251553314590782567703241273517355232263840004804957951742846093002556299124855673438752644881010975428058256577096842844416047930060381837941307860631890666457151466619401107878817811308159622849092493422673213966305026196454728998199403614864724395737587258753214036316509185047692206331108205758311574663687247743369083153764601088768861650030549544040720126980367501986981021167663660533673031803995246552420522573616256455539596451292915245354761011209534978800126464419691211886921550217 (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.