Factor Info

ID 158357
Size 1217 digits / 4043 bits
Status composite
Value 81630003483648002247708038223413855976189261787407495609004108476038477247971747335333148153087318821417223581352977061774805221943223404503612120142175744719693046367149294208053421736128946913234144241996442362574008903939425550303779123851205767202821943261220995868894685490471987838648092635691264183732304262814742531464918411351702012982118208459382113005982903106845208041371848538815747467833139036260307507576836996170368768535281514928757030873123354771650862585770148581900641010793364757927699900091112736782967374140268312516329968297463116861893544375922200658762781125932079297845854851124246180924222721654838315150436131492281939391867748510327593886742251655060728096246784389365838745695537627313848397174901187032344669762233773200692545510290205197621303137559570788899588413766467086836688109979871092734586264761274983029387171112691002905953673151161137119653368792381030209756090711083183348990126749698318527623168046841065804952786415756002312393017758675880073922748038960663219171074591795536134511302439829432149004300895834216450292023928664326124448774318871855801440054954195969535165320569262618988170312926207208861367717869887451574027663283542536302390083495057462264420370418081

Factorizations

Primary (ID: 4020) 40853155149612675915761 (proven prime)
(ID: 158358) 1998132168365016158611399332101096083795663823136358179338799492177689856882476537507206768322855015001716361531319459386190067115717989416844479353170187794570927587613686033546387521022976990146646878146511063074368553957761759765050799424933454225197075414688269882214711653483050143876264512396581822633702850744446723872370355661263816998057932023973442931705570571687508830794081288910638536231681407677296301329730910884477146475133462077470948185934310247537756887377346757338038477109224614305820060701149357138011785636794623078831908020812704850334378744663851439610991558693995962113975572728257330405355742393679759119757684958508576624589171973971120725326790333212009956985446785335790073067979155374403201284310903515390790548144362773702848693251660956689671508438562020020999142069082186008059160330255932902730474191473108118265810778068957657346377278294161067992635863281713850918990028941860646729627320617502506897832527613734518848901265786028677874955253213885220268645970016356822835803854676117309034456689069102170616432764201277447840187176789526125771490829921445223417784533728080086548658330430684738388400254538705054673289201472354424535113306456596630752851121 (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.