Factor Info

ID 191174
Size 819 digits / 2721 bits
Status composite
Value 646722699142569649132692451975910339129589483340957187425700315691566203068984878525299345403881426118040110869995573167287455523829825544662111409343473930636295969235530486019112413335906660135004341488270865208413874887624164283727501140238480957973105789592570626698351570321923769465502911442364816551464674379343564187486829875779115962660148125300960139814086525383153985388659456980837518238779784402028685470512770506937370841589130116953083930988434543265127159081696653079368799503162390425126792730326151498425244922863329721322199510011891714306629134528347737360117682506270420114071569649105163864709049672477762174682767774389936268736732248708699732646984328466651778526450242097708899785231738798631092070930974608482361729320161658848789027009580047243616346106623899094877242721663670628355598152649

Factorizations

Primary (ID: 189190) 17174183375263846421660548748384622174644483116654486548650622058256968710661106568416735836052640435146220511772353894593274039530229810222513 (proven prime)
(ID: 191175) 37656678341635214390543312434179033519625152768643699531365518451373786108702627146904080735158135541962111839691252865776305895580100382652929943777842801486648953688458231654239189359667985823633297653493680930946127976691596255806120691322480639685829486072156739562025068727109239428546468421962583987737171332297394894545840387855231411021226470532512717232636923385131802987993134387290133884200674885536377617526856453951854442238352708381470841196561308659896810136980321813597852820333475046653415730201081571410285400627329816926217393688197951861052528701571253155197269764565189791362308875038613088862067659429151731919255129390268870419425846536790080873275608473 (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.