Factor Info

ID 178816
Size 771 digits / 2561 bits
Status composite
Value 552287491571957118208377095044441592203029444208408584340128347067198181615878630359775919021041913782883916641847942591525066722912456796167441140993495113091234448525756044201911469049028327165063493438904262894193176984687771478123996990992216199325836458506979966205222513098596295903866630408211836675861796092682442931792967644986558201950064244941785665999552929761145609606610124186354113928387545966202478941097268689055442796892759034645421579802413288061719439679683092797517844700180602389705846053895909863676481383822374282378029528553775019818728884790565964105309175471585479417090613116911346138622320997704566058822572336918348664836622402215122798853539111015917888596161439217385642053117543182753898481233622820890858062520115609730346047719705417151

Factorizations

Primary (ID: 16989) 347490622692625148334686200496162077889916580996992482833633014083203033237999934148869452023801162727212010339824740351 (proven prime)
(ID: 178817) 1589359411463849001617370614979952186452902876993578877515438608314118672619395757419723881326815673097213627502326880502541583376063370116783453669487917759415946868974615504076966280690285990901717211993972137045979184588481205260748163066228696652471706583233176164739470785599809879898546212140088524259272216066918681073712483987953223431399020515873834827974313492131556103354489176654095069817187787494679953934698026029401220337527344010867125155441566537885823767803627913730049818924501134587046302631833299277527996210406901889930636946466980521457133223173423914580698415249663719407828068222559353099339944355582502829121301984675119796801 (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.