Factor Info

ID 157962
Size 1084 digits / 3598 bits
Status composite
Value 1242630744882617890319275942643883972159010193015246753382275564316367894808451338519165940257288224880675548323327766765741419735023192320814503209314375824980051978581214992019492900589479747331848444018864822973045901014252175460550123760923453386521887255124905240608060941155545111364395381184573904106603806010414206505646949546942240130126978442730535807239873142508462428172573326188268676477043390405396952687227531167057968795672930630193419500616353572560349344955768885437440076228485567932262657564395885352461407925567425695425279451152908482888199512480269350296272691541225873322223955918133697764529056693766371164602939920325917528893036025129225256149648601165224148928900567445160409942969955744242378298198689554087277708527186024119207811794367537398006925599879179718349377398282952134034801629702484179761809022152175265769194257917293641295085107166331060063948382390933315133234549929803350072772122767894499828276309536984480732980328120450800935823325020438433264090636541582531818533004132964840734196386392723974126157709026661548233127015443717483401121

Factorizations

Primary (ID: 157251) 53721781932548291303600309351 (proven prime)
(ID: 157963) 23130854937813372971941659678796806554257930930795848434901211477322529949988511889084092250036566609745474777416594850450826697492737830841521932687248476349707773962432032571007191466649980489815377493489468630116994661816815212493166740648792600712956515946746157132472277886836324652547367628322163975702856740874198807229560235297020290022833138792428192742516828870961532953197771093926591756415816886363832491085243277876667135460830604366615194817703879950775924375226623272338504806953461027277217027895100108674750291761503158108556053725141811461573426809303439180256472790150613421122222043217478004022665458745698675835996213113787241765484959192102626161097355889262604512862495552001230851748905847627997948338119400103929806486048114906441618383181255137875539528076291937238358796213055836815601887173516134870353782551240272938739896526370236481560024703759223539049345523875911394287381381061525574811303456950245865642887612386932325862143239284185085049653052327937928002119630902435643404048198129262885947231149599215590530430617271 (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.