Factor Info

ID 156463
Size 1083 digits / 3598 bits
Status composite
Value 657335522436483394904881074447554870168559108398207216057523629563480882841317079434688986162871073546313310215825182243218476409330093484539769930554948192092277272018036631001960378953748405668938033498872038835753675758068045805369111352890220418206801009876293951502885342849626846017919393513490588807938988080880593183963591655586404452182382755240958428577759292067630700693385652986195001320092325079683749229947341206126948689385281483241680174536084783716157671754421865973189288886360107982658467093589090168321979134781263182925051403606431105280137605420919896982224939730512549374343181249052480750546336632712276310003146315429951225899624599933749016048321790895569987390893546453769371089915875254824384251613508158088625567738350286141660744719418559119113535167463691317889001681971128125649515720275746345935041781489484395040241293220336616854714406658651806185962946337671938710594539426591413822631694258606805567562167002005629559751869143086545876879796341752628736176399347051657038439568028188664098182098585702703388631327858395460829949735319613612397027

Factorizations

Primary (ID: 154797) 16807320721215137164439 (proven prime)
(ID: 156464) 39110071934711036619829016428175682953529749809422498321188272910480935180477450791199911005105949845477793433207214131369802734877465999254756805051488856269024179828710221707209370097974484656849816012529523591313350791199037988788244838962615518588979017370182276977434480944128410685469766948485361437161551600249826582215802123306611593860848947285142550575211073021504439347553556798406731010508582643775654743673916283073008836111843712881367729347470317248806125399800655383508458764496630568027672773533306740005289443635251149329210420744973955474166724368019027235968721056177858544537958040107381185636534436508557324628797902097856184950770886809843117924571596916981266626853233252107080095186724771797139199243912153619402289876459263330292213276629403617691461090177283228137749135801534898197368120825405056887770577181516850927773484552335315848253730572191122560352209467596643402007419080825505913254010020927815121932524810345673960806074903944729032060438899636497558904337513914668427659032803200663167863649788220410713718553656527327893 (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.