Factor Info

ID 72139
Size 696 digits / 2312 bits
Status composite
Value 550253877270201366701423382018976672473058496892322700099510846028330688058741149226167108117820434404134297818004400052431059683193214029661484374900797939847761881733321891398021220818154778424292646913413683300293120116267317675720342145250524946862153123688129528251185197524378830610377726477305470486350593783110204781830404577033605776278788963865636067532530360896478940944677160592743807181893297828016406193532229185885365564095159221244608490306481213867470218924059166082309956693728557887428262216472842298019208024277800497138671102420224386659139750747312089064893114624753212771468995299739569534812340944079964295083585622861999695104388720394366044933529212015229333543559417029

Factorizations

Primary (ID: 70888) 278330926147861118689 (proven prime)
(ID: 72140) 1976977136122786857439380218976037004570752871754648544628163820658523027370000435153842294397269065737494139517664076509298167083381531718309501668633181636400503562402590473967828040588407311041345955562458369353329940104080274660580361236892277520003397796317397208697597196703847808846927797130230850602150536416697716149861287092343212678534779462061055474943093692546781161322225028682472159210607636899963627635316713674558753687888057479088313605672946096928550413294020640270218363548713330558188166318147812353616364597637384977459213401548277981284158138406401385401703115307057026412908149624771304434522882608473139347173101593393188882558538970211964991157993061 (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.