Factor Info

ID 172952
Size 812 digits / 2698 bits
Status composite
Value 80197971230724153506053019828002564316570920827293875329000934138555098409435760232200686772462538564763069774549517977604614116536689516522996609087949112344246750625540693666182021365141795973642192537094622896417492809943788273322107130174215305113623970084770774344334207899828839933173588501115524795154999125605087268923655797724933100612865393323055836964899453890396502872543503947135072178277037367093521335988938571434074300727113944154948613361445619066074169171980215755245157160555322612919558154076846677381885149928146822790845318088767574046236271443383028924460762381046228869166938094200536904282688373554862605451985235885244606878479820733246150993660202748805790640348095262180269756526497613732521154445717915213453180682186802591175974413332470507366018566882063299168138043110037144830739

Factorizations

Primary (ID: 171378) 158124310056416991684436337187816394305528216973 (proven prime)
(ID: 172953) 507183058709381315879632091534129159574757542819203784902332339746007692973470940499578233008779938363842431234571683948693581032860507829320901606531219310296945518711618742488162544341325484869011933728389319320004026749699944958537211854660189199214119953161249496313352773637633817306841968353243575281966407192381878794351736553588290733884651032378253695178160363600548370798292055377233887324292617721979284989445403007650861172773837948535449917562939192808524622900755510773914821279606371480267578371021071938706733063659189367802166579885142737756268276901046033265862713082760687693458959867588573202168209123424331024990680150629764921721678161291033667242835631829327573701935678097142807550450739985719631738818589268155357564008117433674636033133343 (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.