Factor Info

ID 153511
Size 759 digits / 2520 bits
Status composite
Value 387821329830849098588977101438449349690740430079660884629617435707930712671283389529128155576117100924892493479178949129667064293754290040255582400925453315055336650164026596190081851978590994982432775999328008873121989700949562919858496348621842427049976714797774083175104130195159012317535765354687838976824201685432207021356850204317813884108400702137669525694466513036833251907857827430055375569347365977216618667476950971882458033380489598226524653001724375189783106740794910056371872374887167249506549054455558942243540913236917468910115705125176377692906548244844920605902204456107953651535031565450679510315860912196660163532263958137997984383335631297113942980061745180141249268229194924673514556514194370632747121610487800874742326870754509556573491

Factorizations

Primary (ID: 152145) 39031013628636929184463857169 (proven prime)
(ID: 153512) 9936235157016415172915670975443698452516686010467465243752293429769849597008746281538212661929428100142747404312577032968642051695012192550741165198940829799064023017354876083741765445845396479226194314475929642501391166810848258672924298764229598008422528953685818350872108067925490746668045544286294346420091915734536965616104078224265987128501392026992019655868141090253458230492524060633707754294849856722485819320921288544903897471143261083117942665665796106148177326864157052133523610458736843222376849804961105770636121845608683867414286392760938032441002078719224924512604855583738359985873223016278574540967146716099682731550960692242124990542773507560924729877651254039049877040369574162344840069055883724288094986683139 (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.