Factor Info

ID 141220
Size 1200 digits / 3984 bits
Status composite
Value 159542904163720910055948741668317062815049689418503808363912842696734304824758242096714886407309350410621742071696273779161985044545336743530470665466290987741085200942026400455262412466199092760934131224417580593902222760530573740686196461717683492387451134989171814644673370245094758068146404161648955389747564319051297427445343673330631213310722806708997680652684948943181482315075672160953201311133151879934556118711800459465120119023056589706894158717091278861261017102708641672166368197574410925851234732183106014588954941115164470016730112281802903965834541443467114348358502203241825110778888841631792087719844795880489714469154207104793278392830135075584024799977956977527950181107996167256212549763188567707701051089682518827896240628828462481975325098693319976022243559044220755644587984452704283731606133050066523438672185089619373881633333242349134174252450496406175573488094098381852708531671846560193011172596790957096284240307649096085093052717022740527213305615822875333526136956818753249372222511729312479092495088885672895267699549378291877933266965393267916926907348283177158570712310063430060626928754508855751991119581176041776806767481626124928796958516725432847504329111232621

Factorizations

Primary (ID: 138850) 281157146581942701610362334290780811 (proven prime)
(ID: 176190) 567451000635413128409949758584834129564780082633658206967674712044595670992555372400942755032847991348019332764221380063085581974483709982876834521406117121948619570017856423184857486824906586388919931409046892581221410580118262575312899729612978867877337896742384067648485054151182587075869736614882586924105134028305146790968607766150960367568887829127703144813413426963553523725842448270409608647177233524534354817798570836205646495947663189296599724558274069619545900662937410286569071904217500180228049408329437077402893108564795866267522176781660149618735475606028995003844838126133526669587347481556099793018004935651573383646701837580897293941423672457371981978578603082224178517686940117939894020405516283528324448646149656752809963239832338734429263515716072156537647385922195545711200269397930787116002226495370639864203868460721105108365633776440054564598970687702470135646055608880541743761884344122604980120114659233232424112438671354768959623375664908312306813728017809161832885665476807352207974842197968487858104124750258969344664995493171383112732019926541242491340040482060604673197653391145472289340667641116336194693653498158438787125472116711 (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.