Factor Info

ID 172765
Size 765 digits / 2541 bits
Status composite
Value 449641200072550722787442243894466407292740963227466444795980480912742949547160343683114688108709386469634175496963229550867113228431904572930591763421830602585247337899713835265889941641029198922454187705005317240856926224484428916393892866490804751869011141322560639910679664536293663980354863389869783216773277469713439469260084366815648687518519215979283032540518079677222038583339793197807166413408815538345594328086449954738457597937051785073557479971842441030173818708955884796861191499167431025453656746664017827603717521172683075685478242053086224054930233562865097130033353594094558492193290441537590107115736367020492103584595233378691813850638595478684800063763588257256109746109002684389296040641465134924413899614094762536210575339788258180601699003979

Factorizations

Primary (ID: 171819) 1616546445593373286809146253186719129153 (proven prime)
(ID: 172766) 278149261531118198864484722049101730371082356996447262201436072624375285091348128989317286888389656660242943568847062002420172443640386915982262912992930191110472787604074450168821669010283957926827918762272573390916405037911266630409157283543659545310593921272797327625056025577925541005771415176432342970572680232020263597675568012821058206643082751561713384175424500815662854747750746783390296143807054016502236933942928231542623556038056754245204502303504698544661701990508250962494195881340220295910405916300911302949358432752979027201267118675679466179152568783379072755649028505030543715588932567351546217159677087768764211686188179639419336066393854867476891291308787526680798786644086911961102959441017419223177576843 (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.