Factor Info

ID 157052
Size 1250 digits / 4153 bits
Status composite
Value 81711381922575857332049882635816184222010488087124096696047114651248146110558391770231070777450367813604456694824654173176838136586289510264149768578374845377885443774237025194171081269824557061971554894667038685316802823584546389992353731967913212305898231916946943686050679004843528664801012251688077567002737870982600946474258869101814179823059213320166082926930434074357521315283453841191322877757391497695238967647188575456994589531337660132791433329074874927997945583313885251400033704771753954592146387026463292759729411473014351018536513807594802780955167391653464242673287334123893421014518001480997885478910277946772175197529889992897431513632064917075715439306095597847399248747429055103786520450680695661438332550030214699730903173759371588144727335039291197379806498324715323142429504116111810653984173414133375188089707185530146703793553645387655187110802677689748309292285391902411435960398881630304399474197650650791482832993923973098155537366071780860650064745796945924179158435551370382474206167042760161430556369499998131294221541913917199103003361230739397757973416680066770419146040630973108485864431014261191783209494493055834140161581096725480330810721256914527725704051654629511366379962619738844849664427061559896251177238469

Factorizations

Primary (ID: 189145) 2329169393185981660848020752614532805283092601457524830752729168799963797 (proven prime)
(ID: 191056) 35081768703308429453985387113981585512688048244578503827493418619806991831646008319484417011902176608032939982287477481160758106909189621584029055611372761054484204590761161622670400150310661110529241851651964600401706045307588368269624533518399430172538326648038376952214560363142142550432633594693936239632959849090671194081303307336979638765791738376198154032517559485494439566362539095980945049328004607995810554602217827649001845175137442935976863572148528486924243298285231918865850602291947382083921254917547054158796980337845936727151875754525939423038885073005450111188672670031306251694215143755838875239369905597450609318297673364079818677573834631814555138362316903971902797008699564739359601128911641140452111608950738074735101883744562750228959634019689084289677657023822173814983049769329303562638960240902630253322562578865457180766034037549280750817524390708159981979150342025101684959268253022233384406383904772266902763652235794696948280134001266670199283423020325742933932000776228777597023748544493103299381274852194785485507052343797233562442891147663985839222894070142588259100508767104428706094145119990517125479339225239990956783137219739428762952971377 (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.