Factor Info

ID 190160
Size 809 digits / 2685 bits
Status composite
Value 15742403881160681498605325089305056217170825724534669254182734900217102428642884288029189169970656066797038382905574307316510819112623146995123957062723523819904405143949586564424491734540798549872135811727554737978772522679283666164978167456274221847786752308274386904170546402193787920432814209339100711334943347360868782570260420551065961093299266615901598468654841288215593218666995121075880879641968936317527466474735361326904883316712631578395167449875341465366201564282128435964705616179389213459658236904758145840288229712382618483180313746658025477320161020647960187796895852430462864410598483838230477015384278092430627931191922849669840234828607020593035318442711785002904140052686261743185001012307618299897629787471115563823468939868306789566692579500268662861446156026723798777333223774125725349

Factorizations

Primary (ID: 154682) 291085900456038886134880893459441846658670815367779265015895596556789125915380655528060127881 (proven prime)
(ID: 190161) 54081643447852847081575346749168279458550752652968056973203206618601097275348111889724835288665503518607370898918127333310373859902168440029655913435853725789776798168634748415117403887116638689301575833844809295969317844789422325649383120447915345145028089789313157833170426718414449184493099886108059902986324784464559017150599302425301802545630238988908578910142550819523976157867897635308429811992249414360916208270082295798260875477952408119175546178570790613021700197399325074788139851727273688948713622557447168576665888825896457440215073566289645577916793806912650658862622516342134927703329576107357272591704989663241621123806889041075734002037214388100616944798608655269113266787440539752511308047777952829 (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.