Factor Info

ID 172783
Size 668 digits / 2219 bits
Status composite
Value 71739394493934467765264680011663933878694894988087195509351550754381291787870724725208515078521511775860747353959226751043113477527445826997932681244958900463638901007597106835875262417589590182957872935771169091854231332019512778197595529364676794549215596557757223461506992150168427523963134488560736274643741881209914229896075731567152702766176333391355155361730783927177831593785161241097801027168349425420402551516611274117815510881374441935119092333612440866047847971150009057053188098092896189311076481233425139362902116137599997057354882209966510361385087932372972045596901836229723793150452533494122840500719123933124677363823281430275343058278136509377971057

Factorizations

Primary (ID: 171451) 908303431893218142108567022042358802282789839535011877094724441 (proven prime)
(ID: 172784) 78981749903118593258201175674347757659930340011800688859472884396281903147162276529517412829285503921263795882087959511012490582294216130875411010963420078928743186163776598613756883752079363069014333043221139202624534971778695328880418251968848941865478876893486329641022240938920848961973719657498584228217033314561783296067063504405666437341385336552235327245228319111256644230025596580429488877334050953689082092588309720770957095530044189150781783191704446722629394441383687013233438482002572078286883948064654654830432079388909363802240963549479004818324363704378359968285653402984720016066415945177 (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.