Factor Info

ID 166968
Size 1023 digits / 3398 bits
Status composite
Value 643624725004716163374070806995848147068521942700789699085206000734788876608942180681108769273989203102574796219969202664511469036791975331111179340187668483098133207668525985234988393595176820584027918863502078951621862895757559802363504985679044765610758245186748543955260857760388951617571758491609803031716792886163084761635261089148941232383315586853330810195108298186169816052910477378691115986366248400197208389024945632542124983743237348030157683252102146605470911418297468941482679588827962952562687142775350320910905519237020632816312648319869278420451854021861410712137190526207192035022761784949357340979663990439520070925150759167697837350451542267431200472978329526095591322530985256136088906668725788655177933370192605383513013472949621097966915792238931330894339023784218412764671383863070244990737768730054339018129745966169673622364809706080252234620566902449415133086079201422000688460379592412561479090527515372531108077152433861094269637284782503232190313084125773510732453345090515129808425734686888261

Factorizations

Primary (ID: 17244) 137286124588876043259567675817 (proven prime)
(ID: 198488) 4688199386006031162558749079850854341886808591852612104419786290939594365196746745009147137732605600390012840890087080389966354958789326066799643726949144751552536908480398737466010288917686226347395826006951695858677851224122870441994916843993171978129288095889417053250805677043608587848827612508426004408398419965149951730691920959535707024824494922310047117478830294507718675216878689900483093060550102088944090055388296793783178494976879088821716405696760314341006576063887057602303223185573988149591680286258519332491814032249746883833248115354408098011463748261078801756001140207530290484649499071281388519818390309696770786707667795990393003980545600156349630558438133501107494208174176719527926931594627400066365038476254485069020655370203326925502392245438508509373846644110672973204506071994305447554242980171410228709096567940481146160212145642830985383606753642457636110879541166419117634488331188086926443318878191215949517080016942291997820538295722110266499170796690537738703933 (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.